\begin{filecontents}{fig1a.eps}
%!PS-Adobe-2.0 EPSF-2.0
%%BoundingBox: 0 0 439 510
%%Title: /home/nimis/emanuel/fourjets/special1.eps
%%Creator: HIGZ Version 1.22/07
%%CreationDate: 96/05/24   12.27
%%EndComments
80 dict begin
/s {stroke} def /l {lineto} def /m {moveto} def /t {translate} def
/sw {stringwidth} def /r {rotate} def /rl {roll}  def /R {repeat} def
/d {rlineto} def /rm {rmoveto} def /gr {grestore} def /f {eofill} def
/c {setrgbcolor} def /lw {setlinewidth} def /sd {setdash} def
/cl {closepath} def /sf {scalefont setfont} def /black {0 setgray} def
/box {m dup 0 exch d exch 0 d 0 exch neg d cl} def
/NC{systemdict begin initclip end}def/C{NC box clip newpath}def
/bl {box s} def /bf {box f} def /Y { 0 exch d} def /X { 0 d} def 
/mp {newpath /y exch def /x exch def} def
/side {[w .77 mul w .23 mul] .385 w mul sd w 0 l currentpoint t -144 r} def
/mr {mp x y w2 0 360 arc} def /m24 {mr s} def /m20 {mr f} def
/mb {mp x y w2 add m w2 neg 0 d 0 w neg d w 0 d 0 w d cl} def
/mt {mp x y w2 add m w2 neg w neg d w 0 d cl} def
/m21 {mb f} def /m25 {mb s} def /m22 {mt f} def /m26{mt s} def
/m23 {mp x y w2 sub m w2 w d w neg 0 d cl f} def
/m27 {mp x y w2 add m w3 neg w2 neg d w3 w2 neg d w3 w2 d cl s} def
/m28 {mp x w2 sub y w2 sub w3 add m w3 0 d 0 w3 neg d w3 0 d 0 w3 d w3 0 d
 0 w3 d w3 neg 0 d 0 w3 d w3 neg 0 d
 0 w3 neg d w3 neg 0 d cl s } def
/m29 {mp gsave x w2 sub y w2 add w3 sub m currentpoint t
 4 {side} repeat cl fill gr} def
/m30 {mp gsave x w2 sub y w2 add w3 sub m currentpoint t
 5 {side} repeat s gr} def
/m31 {mp x y w2 sub m 0 w d x w2 sub y m w 0 d
 x w2 sub y w2 add m w w neg d x w2 sub y w2
 sub m w w d s} def
/m2 {mp x y w2 sub m 0 w d x w2 sub y m w 0 d s} def
/m5 {mp x w2 sub y w2 sub m w w d x w2 sub y w2 add m w w neg d s} def
/DP {/PT exch def gsave 47.2 47.2 scale PT 1 eq { 1616 1 [ 16 0 0 16 neg 0 16
] { < AA AA 55 55 AA AA 55 55 AA AA 55 55 AA AA 55 55 AA AA 55 55 AA AA 55 55
AA AA 55 55 AA AA 55 55 > } image } if PT 2 eq { 16 16 1 [ 16 0 0 16 neg 0 16
] { < BB BB EE EE BB BB EE EE BB BB EE EE BB BB EE EE BB BB EE EE BB BB EE EE
BB BB EE EE BB BB EE EE > } image } if PT 3 eq { 16 16 1 [ 16 0 0 16 neg 0 16
] { < FF FF BB BB FF FF EE EE FF FF BB BB FF FF EE EE FF FF BB BB FF FF EE EE
FF FF BB BB FF FF EE EE > } image } if PT 4 eq { 16 16 1 [ 16 0 0 16 neg 0 16
] { < DF DF BF BF 7F 7F FE FE FD FD FB FB F7 F7 EF EF DF DF BF BF 7F 7F FE FE
FD FD FB FB F7 F7 EF EF > } image } if PT 5 eq { 16 16 1 [ 16 0 0 16 neg 0 16
] { < 7F 7F BF B F DF DF EF EF F7 F7 FB FB FD FD FE FE 7F 7F BF BF DF DF EF
EF F7 F7 FB FB FD FD FE FE > } image } if PT 6 eq { 16 16 1 [ 16 0 0 16 neg 0
16 ] { < BB BB BB BB BB BB BB BB BB BB BB BB BB BB BB BB BB BB BB BB BB BB BB
BB BB BB BB BB BB BB BB BB > } image } if PT 7 eq { 16 16 1 [ 16 0 0 16 neg 0
16 ] { < FF FF FF FF FF FF 00 00 FF FF FF FF FF FF 00 00 FF FF FF FF FF FF 00
00 FF FF FF FF FF FF 00 00 > } image } if PT 8 eq { 16 16 1 [ 16 0 0 16 neg 0
16 ] { < EE EE 47 47 83 83 C5 C5 EE EE 5C 5C 38 38 74 74 EE EE 47 47 83 83 C5
C5 EE EE 5C 5C 38 38 74 74 > } image } if PT 9 eq { 16 16 1 [ 16 0 0 16 neg 0
16 ] { < EF EF EF EF D7 D7 38 38 FE FE FE FE 7D 7D 83 83 EF EF EF EF D7 D7 38
38 FE FE FE FE 7D 7D 83 83 > } image } if PT 10 eq {16 16 1 [ 16 0 0 16 neg
0 16 ] { < EF EF EF EF EF EF 00 00 FE FE FE FE FE FE00 00 EF EF EF EF EF EF
00 00 FE FE FE FE FE FE 00 00 > } image } if PT 11 eq { 16 16 1 [ 16 0 0 16
neg 0 16 ] { < F7 F7 B6 B6 D5 D5 E3 E3 D5 D5 B6 B6 F7 F7 FF FF 7F 7F 6B 6B 5D
5D 3E 3E 5D 5D 6B 6B 7F 7F FF FF > } image } if PT 12 eq { 16 16 1 [ 16 0 0
16 neg 0 16 ] { < E3 E3 DD DD BE BE BE BE BE BE DD DD E3 E3 FF FF 3E 3E DD DD
EB EB EB EB EB EB DD DD 3E 3E FF FF > } image } if PT 13 eq { 16 16 1 [ 16 0
0 16 neg 0 16 ] { < FE FE 7D 7D BB BB D7 D7 EF EF D7D7 BB BB 7D 7D FE FE 7D
7D BB BB D7 D7 EF EF D7 D7 BB BB 7D 7D > } image } if PT 14 eq { 16 16 1 [ 16
0 0 16 neg 0 16 ] { < 00 00 EE EF EE EF EE EF 0E E0 EE EE EE EE EE EE 00 EE
FE EE FE EE FE EE 00 00 FE EF FE EF FE EF > } image } if PT 15 eq { 16 16 1 [
16 0 0 16 neg 0 16 ] { < DD DD AA AA DD DD FF FF 77 77 AA AA 77 77 FF FF DD
DD AA AA DD DD FF FF 77 77 AA AA 77 77 FF FF > } image } if PT 16 eq { 16 16
1 [ 16 0 0 16 neg 0 16 ] { < F1 F1 EE EE 1F 1F FF FFF1 F1 EE EE 1F 1F FF FF
F1 F1 EE EE 1F 1F FF FF F1 F1 EE EE 1F 1F FF FF > } image } if PT 17 eq { 16
16 1 [ 16 0 0 16 neg 0 16 ] { < EE EE DD DD BB BB FFFF EE EE DD DD BB BB FF
FF EE EE DD DD BB BB FF FF EE EE DD DD BB BB FF FF >} image } if PT 18 eq {
16 16 1 [ 16 0 0 16 neg 0 16 ] { < BB BB DD DD EE EEFF FF BB BB DD DD EE EE
FF FF BB BB DD DD EE EE FF FF BB BB DD DD EE EE FF FF > } image } if PT 19 eq
{ 16 16 1 [ 16 0 0 16 neg 0 16 ] { < 1F FC 67 F3 7B EF BD DE BD DE DE BD E6
B3 F8 0F E6 B3 DE BD BD DE BD DE 7B EF 67 F3 1F FC 7F FF > } image } if PT
20 eq { 16 16 1 [ 16 0 0 16 neg 0 16 ] { < DD DD EE EE EE EE EE EE DD DD BB
BB BB BB BB BB DD DD EE EE EE EE EE EE DD DD BB BB BB BB BB BB > } image }
if PT 21 eq { 16 16 1 [ 16 0 0 16 neg 0 16 ] { < 0E 0E EF EF EF EF EF EF E0
E0 FE FE FE FE FE FE 0E 0E EF EF EF EF EF EF E0 E0 FE FE FE FE FE FE > }
image } if PT 22 eq { 16 16 1 [ 16 0 0 16 neg 0 16 ]{ < 70 70 F7 F7 F7 F7 F7
F7 07 07 7F 7F 7F 7F 7F 7F 70 70 F7 F7 F7 F7 F7 F7 07 07 7F 7F 7F 7F 7F 7F >
} image } if PT 23 eq { 16 16 1 [ 16 0 0 16 neg 0 16] { < AA AA 55 55 A9 A9
D1 D1 E1 E1 D1 D1 A9 A9 55 55 AA AA 55 55 A9 A9 D1 D1 E1 E1 D1 D1 A9 A9 55 55
> } image } if PT 24 eq { 16 16 1 [ 16 0 0 16 neg 0 16 ] { < FF FE FF FC EA
A8 D5 54 EA A8 D5 54 E8 28 D4 54 E8 E8 D4 D4 E8 EA 54 D5 A8 EA 54 D5 00 C0 00
80 > } image } if PT 25 eq { 16 16 1 [ 16 0 0 16 neg0 16 ] { < FF FE FF FC
FF F8 FF F0 F0 00 F0 00 F0 20 F0 60 F0 E0 F1 E0 F3 E0 F0 00 E0 00 C0 00 80 00
00 00 > } image } if gr } def /FA { /PT exch def gsave clip 0 0 translate 1 1
54 { 1 sub 47.2 mul /Xcurr exch def 1 1 74 { 1 sub 47.2 mul /Ycurr exch def
gsave Xcurr Ycurr translate PT DP gr } for } for gr } def
/reencdict 24 dict def /ReEncode {reencdict begin /nco&na exch def
/nfnam exch def /basefontname exch def /basefontdict basefontname findfont def
/newfont basefontdict maxlength dict def basefontdict {exch dup /FID ne
{dup /Encoding eq {exch dup length array copy newfont 3 1 roll put} {exch
newfont 3 1 roll put} ifelse} {pop pop} ifelse } forall newfont
/FontName nfnam put nco&na aload pop nco&na length 2 idiv {newfont
/Encoding get 3 1 roll put} repeat nfnam newfont definefont pop end } def
/accvec [ 176 /agrave 181 /Agrave 190 /acircumflex 192 /Acircumflex
201 /adieresis 204 /Adieresis 209 /ccedilla 210 /Ccedilla 211 /eacute
212 /Eacute 213 /egrave 214 /Egrave 215 /ecircumflex 216 /Ecircumflex
217 /edieresis 218 /Edieresis 219 /icircumflex 220 /Icircumflex
221 /idieresis 222 /Idieresis 223 /ntilde 224 /Ntilde 226 /ocircumflex
228 /Ocircumflex 229 /odieresis 230 /Odieresis 231 /ucircumflex 236 /Ucircumflex
237 /udieresis 238 /Udieresis 239 /aring 242 /Aring 243 /ydieresis
244 /Ydieresis 246 /aacute 247 /Aacute 252 /ugrave 253 /Ugrave] def
/Times-Roman /Times-Roman accvec ReEncode
/Times-Italic /Times-Italic accvec ReEncode
/Times-Bold /Times-Bold accvec ReEncode
/Times-BoldItalic /Times-BoldItalic accvec ReEncode
/Helvetica /Helvetica accvec ReEncode
/Helvetica-Oblique /Helvetica-Oblique accvec ReEncode
/Helvetica-Bold /Helvetica-Bold accvec ReEncode
/Helvetica-BoldOblique /Helvetica-BoldOblique  accvec ReEncode
/Courier /Courier accvec ReEncode
/Courier-Oblique /Courier-Oblique accvec ReEncode
/Courier-Bold /Courier-Bold accvec ReEncode
/Courier-BoldOblique /Courier-BoldOblique accvec ReEncode
/oshow {gsave [] 0 sd true charpath stroke gr} def
/stwn { /fs exch def /fn exch def /text exch def fn findfont fs sf
 text sw pop xs add /xs exch def} def
/stwb { /fs exch def /fn exch def /nbas exch def /textf exch def
textf length /tlen exch def nbas tlen gt {/nbas tlendef} if
fn findfont fs sf textf dup length nbas sub nbas getinterval sw
pop neg xs add /xs exch def} def
/accspe [ 65 /plusminus 66 /bar 67 /existential 68 /universal
69 /exclam 70 /numbersign 71 /greater 72 /question 73 /integral
74 /colon 75 /semicolon 76 /less 77 /bracketleft 78 /bracketright
79 /greaterequal 80 /braceleft 81 /braceright 82 /radical
83 /spade 84 /heart 85 /diamond 86 /club 87 /lessequal
88 /multiply 89 /percent 90 /infinity 48 /circlemultiply 49 /circleplus
50 /emptyset 51 /lozenge 52 /bullet 53 /arrowright 54 /arrowup
55 /arrowleft 56 /arrowdown 57 /arrowboth 48 /degree 44 /comma 43 /plus
 45 /angle 42 /angleleft 47 /divide 61 /notequal 40 /equivalence 41 /second
 97 /approxequal 98 /congruent 99 /perpendicular 100 /partialdiff 101 /florin
 102 /intersection 103 /union 104 /propersuperset 105 /reflexsuperset
 106 /notsubset 107 /propersubset 108 /reflexsubset 109 /element 110 /notelement
 111 /gradient 112 /logicaland 113 /logicalor 114 /arrowdblboth
 115 /arrowdblleft 116 /arrowdblup 117 /arrowdblright 118 /arrowdbldown
 119 /ampersand 120 /omega1 121 /similar 122 /aleph ] def
/Symbol /Special accspe ReEncode
gsave .25 .25 scale 
%%EndProlog
 gsave 0 0 t black [] 0 sd 1 lw 1473 1813 227 170 bl 1473 1813 227 170 C 227 170
 m 313 X 1 Y 18 X -1 Y 55 X 2 Y 19 X 4 Y 18 X 1 Y 19 X 6 Y 18 X 13 Y 18 X 15 Y
 19 X 20 Y 18 X 42 Y 19 X 87 Y 18 X 80 Y 19 X 145 Y 18 X 197 Y 18 X 191 Y 19 X
 237 Y 18 X 173 Y 19 X 227 Y 18 X 89 Y 19 X 61 Y 18 X -37 Y 18 X -65 Y 19 X -82
 Y 18 X -147 Y 19 X -145 Y 18 X -152 Y 18 X -141 Y 19 X -136 Y 18 X -139 Y 19 X
 -90 Y 18 X -107 Y 19 X -72 Y 18 X -59 Y 18 X -50 Y 19 X -44 Y 18 X -24 Y 19 X
 -9 Y 18 X -33 Y 18 X -13 Y 19 X -16 Y 18 X -4 Y 19 X -7 Y 18 X -4 Y 18 X -2 Y
 19 X -5 Y 18 X -3 Y 19 X -1 Y 37 X -1 Y 18 X -1 Y 37 X -1 Y 184 X s NC 227 170
 m 1813 Y s 261 170 m -34 X s 244 212 m -17 X s 244 255 m -17 X s 244 297 m -17
 X s 244 340 m -17 X s 261 382 m -34 X s 244 424 m -17 X s 244 467 m -17 X s 244
 509 m -17 X s 244 552 m -17 X s 261 594 m -34 X s 244 636 m -17 X s 244 679 m
 -17 X s 244 721 m -17 X s 244 764 m -17 X s 261 806 m -34 X s 244 849 m -17 X s
 244 891 m -17 X s 244 933 m -17 X s 244 976 m -17 X s 261 1018 m -34 X s 244
 1061 m -17 X s 244 1103 m -17 X s 244 1145 m -17 X s 244 1188 m -17 X s 261
 1230 m -34 X s 244 1273 m -17 X s 244 1315 m -17 X s 244 1357 m -17 X s 244
 1400 m -17 X s 261 1442 m -34 X s 244 1485 m -17 X s 244 1527 m -17 X s 244
 1569 m -17 X s 244 1612 m -17 X s 261 1654 m -34 X s 244 1697 m -17 X s 244
 1739 m -17 X s 244 1781 m -17 X s 244 1824 m -17 X s 261 1866 m -34 X s 261
 1866 m -34 X s 244 1909 m -17 X s 244 1951 m -17 X s 165 186 m -5 -2 d -3 -4 d
 -1 -8 d -4 Y 1 -8 d 3 -4 d 5 -2 d 3 X 4 2 d 3 4 d 2 8 d 4 Y -2 8 d -3 4 d -4 2
 d -3 X cl s 70 392 m 3 1 d 4 5 d -32 Y s 104 398 m -4 -2 d -3 -4 d -2 -8 d -4 Y
 2 -8 d 3 -4 d 4 -2 d 3 X 5 2 d 3 4 d 1 8 d 4 Y -1 8 d -3 4 d -5 2 d -3 X cl s
 134 398 m -4 -2 d -3 -4 d -2 -8 d -4 Y 2 -8 d 3 -4 d 4 -2 d 4 X 4 2 d 3 4 d 2 8
 d 4 Y -2 8 d -3 4 d -4 2 d -4 X cl s 165 398 m -5 -2 d -3 -4 d -1 -8 d -4 Y 1
 -8 d 3 -4 d 5 -2 d 3 X 4 2 d 3 4 d 2 8 d 4 Y -2 8 d -3 4 d -4 2 d -3 X cl s 66
 602 m 2 Y 2 3 d 2 1 d 3 2 d 6 X 3 -2 d 1 -1 d 2 -3 d -3 Y -2 -3 d -3 -5 d -15
 -15 d 21 X s 104 610 m -4 -2 d -3 -4 d -2 -8 d -4 Y 2 -8 d 3 -4 d 4 -2 d 3 X 5
 2 d 3 4 d 1 8 d 4 Y -1 8 d -3 4 d -5 2 d -3 X cl s 134 610 m -4 -2 d -3 -4 d -2
 -8 d -4 Y 2 -8 d 3 -4 d 4 -2 d 4 X 4 2 d 3 4 d 2 8 d 4 Y -2 8 d -3 4 d -4 2 d
 -4 X cl s 165 610 m -5 -2 d -3 -4 d -1 -8 d -4 Y 1 -8 d 3 -4 d 5 -2 d 3 X 4 2 d
 3 4 d 2 8 d 4 Y -2 8 d -3 4 d -4 2 d -3 X cl s 68 822 m 17 X -9 -12 d 4 X 3 -2
 d 2 -1 d 1 -5 d -3 Y -1 -4 d -3 -3 d -5 -2 d -4 X -5 2 d -2 1 d -1 3 d s 104
 822 m -4 -2 d -3 -4 d -2 -8 d -4 Y 2 -8 d 3 -4 d 4 -2 d 3 X 5 2 d 3 4 d 1 8 d 4
 Y -1 8 d -3 4 d -5 2 d -3 X cl s 134 822 m -4 -2 d -3 -4 d -2 -8 d -4 Y 2 -8 d
 3 -4 d 4 -2 d 4 X 4 2 d 3 4 d 2 8 d 4 Y -2 8 d -3 4 d -4 2 d -4 X cl s 165 822
 m -5 -2 d -3 -4 d -1 -8 d -4 Y 1 -8 d 3 -4 d 5 -2 d 3 X 4 2 d 3 4 d 2 8 d 4 Y
 -2 8 d -3 4 d -4 2 d -3 X cl s 80 1034 m -15 -21 d 23 X s 80 1034 m -32 Y s 104
 1034 m -4 -1 d -3 -5 d -2 -8 d -4 Y 2 -8 d 3 -4 d 4 -2 d 3 X 5 2 d 3 4 d 1 8 d
 4 Y -1 8 d -3 5 d -5 1 d -3 X cl s 134 1034 m -4 -1 d -3 -5 d -2 -8 d -4 Y 2 -8
 d 3 -4 d 4 -2 d 4 X 4 2 d 3 4 d 2 8 d 4 Y -2 8 d -3 5 d -4 1 d -4 X cl s 165
 1034 m -5 -1 d -3 -5 d -1 -8 d -4 Y 1 -8 d 3 -4 d 5 -2 d 3 X 4 2 d 3 4 d 2 8 d
 4 Y -2 8 d -3 5 d -4 1 d -3 X cl s 83 1246 m -15 X -2 -14 d 2 2 d 5 1 d 4 X 5
 -1 d 3 -3 d 1 -5 d -3 Y -1 -4 d -3 -3 d -5 -2 d -4 X -5 2 d -2 1 d -1 3 d s 104
 1246 m -4 -1 d -3 -5 d -2 -8 d -4 Y 2 -8 d 3 -4 d 4 -2 d 3 X 5 2 d 3 4 d 1 8 d
 4 Y -1 8 d -3 5 d -5 1 d -3 X cl s 134 1246 m -4 -1 d -3 -5 d -2 -8 d -4 Y 2 -8
 d 3 -4 d 4 -2 d 4 X 4 2 d 3 4 d 2 8 d 4 Y -2 8 d -3 5 d -4 1 d -4 X cl s 165
 1246 m -5 -1 d -3 -5 d -1 -8 d -4 Y 1 -8 d 3 -4 d 5 -2 d 3 X 4 2 d 3 4 d 2 8 d
 4 Y -2 8 d -3 5 d -4 1 d -3 X cl s 85 1454 m -2 3 d -4 1 d -3 X -5 -1 d -3 -5 d
 -2 -8 d -7 Y 2 -6 d 3 -3 d 5 -2 d 1 X 5 2 d 3 3 d 1 4 d 2 Y -1 4 d -3 3 d -5 2
 d -1 X -5 -2 d -3 -3 d -2 -4 d s 104 1458 m -4 -1 d -3 -5 d -2 -8 d -4 Y 2 -8 d
 3 -4 d 4 -2 d 3 X 5 2 d 3 4 d 1 8 d 4 Y -1 8 d -3 5 d -5 1 d -3 X cl s 134 1458
 m -4 -1 d -3 -5 d -2 -8 d -4 Y 2 -8 d 3 -4 d 4 -2 d 4 X 4 2 d 3 4 d 2 8 d 4 Y
 -2 8 d -3 5 d -4 1 d -4 X cl s 165 1458 m -5 -1 d -3 -5 d -1 -8 d -4 Y 1 -8 d 3
 -4 d 5 -2 d 3 X 4 2 d 3 4 d 2 8 d 4 Y -2 8 d -3 5 d -4 1 d -3 X cl s 86 1670 m
 -15 -32 d s 65 1670 m 21 X s 104 1670 m -4 -1 d -3 -5 d -2 -7 d -5 Y 2 -8 d 3
 -4 d 4 -2 d 3 X 5 2 d 3 4 d 1 8 d 5 Y -1 7 d -3 5 d -5 1 d -3 X cl s 134 1670 m
 -4 -1 d -3 -5 d -2 -7 d -5 Y 2 -8 d 3 -4 d 4 -2 d 4 X 4 2 d 3 4 d 2 8 d 5 Y -2
 7 d -3 5 d -4 1 d -4 X cl s 165 1670 m -5 -1 d -3 -5 d -1 -7 d -5 Y 1 -8 d 3 -4
 d 5 -2 d 3 X 4 2 d 3 4 d 2 8 d 5 Y -2 7 d -3 5 d -4 1 d -3 X cl s 73 1882 m -5
 -1 d -2 -3 d -3 Y 2 -3 d 3 -2 d 6 -1 d 5 -2 d 3 -3 d 1 -3 d -5 Y -1 -3 d -2 -1
 d -4 -2 d -6 X -5 2 d -2 1 d -1 3 d 5 Y 1 3 d 4 3 d 4 2 d 6 1 d 3 2 d 2 3 d 3 Y
 -2 3 d -4 1 d -6 X cl s 104 1882 m -4 -1 d -3 -5 d -2 -7 d -5 Y 2 -8 d 3 -4 d 4
 -2 d 3 X 5 2 d 3 4 d 1 8 d 5 Y -1 7 d -3 5 d -5 1 d -3 X cl s 134 1882 m -4 -1
 d -3 -5 d -2 -7 d -5 Y 2 -8 d 3 -4 d 4 -2 d 4 X 4 2 d 3 4 d 2 8 d 5 Y -2 7 d -3
 5 d -4 1 d -4 X cl s 165 1882 m -5 -1 d -3 -5 d -1 -7 d -5 Y 1 -8 d 3 -4 d 5 -2
 d 3 X 4 2 d 3 4 d 2 8 d 5 Y -2 7 d -3 5 d -4 1 d -3 X cl s 227 170 m 1473 X s
 340 204 m -34 Y s 397 187 m -17 Y s 453 187 m -17 Y s 510 187 m -17 Y s 567 204
 m -34 Y s 623 187 m -17 Y s 680 187 m -17 Y s 737 187 m -17 Y s 793 204 m -34 Y
 s 850 187 m -17 Y s 907 187 m -17 Y s 963 187 m -17 Y s 1020 204 m -34 Y s 1077
 187 m -17 Y s 1133 187 m -17 Y s 1190 187 m -17 Y s 1247 204 m -34 Y s 1303 187
 m -17 Y s 1360 187 m -17 Y s 1417 187 m -17 Y s 1473 204 m -34 Y s 1530 187 m
 -17 Y s 1587 187 m -17 Y s 1643 187 m -17 Y s 1700 204 m -34 Y s 340 204 m -34
 Y s 283 187 m -17 Y s 227 187 m -17 Y s 274 129 m 27 X s 320 147 m -4 -1 d -3
 -5 d -2 -7 d -5 Y 2 -7 d 3 -5 d 4 -1 d 3 X 5 1 d 3 5 d 1 7 d 5 Y -1 7 d -3 5 d
 -5 1 d -3 X cl s 345 119 m -2 -2 d 2 -1 d 1 1 d -1 2 d cl s 366 147 m -5 -1 d
 -3 -5 d -1 -7 d -5 Y 1 -7 d 3 -5 d 5 -1 d 3 X 4 1 d 3 5 d 2 7 d 5 Y -2 7 d -3 5
 d -4 1 d -3 X cl s 402 147 m -15 -21 d 23 X s 402 147 m -31 Y s 500 129 m 27 X
 s 547 147 m -5 -1 d -3 -5 d -1 -7 d -5 Y 1 -7 d 3 -5 d 5 -1 d 3 X 5 1 d 3 5 d 1
 7 d 5 Y -1 7 d -3 5 d -5 1 d -3 X cl s 571 119 m -1 -2 d 1 -1 d 2 1 d -2 2 d cl
 s 592 147 m -4 -1 d -3 -5 d -2 -7 d -5 Y 2 -7 d 3 -5 d 4 -1 d 3 X 5 1 d 3 5 d 1
 7 d 5 Y -1 7 d -3 5 d -5 1 d -3 X cl s 615 140 m 1 Y 2 3 d 1 2 d 3 1 d 6 X 3 -1
 d 2 -2 d 1 -3 d -3 Y -1 -3 d -3 -4 d -15 -15 d 21 X s 792 147 m -5 -1 d -3 -5 d
 -1 -7 d -5 Y 1 -7 d 3 -5 d 5 -1 d 3 X 4 1 d 3 5 d 2 7 d 5 Y -2 7 d -3 5 d -4 1
 d -3 X cl s 981 147 m -5 -1 d -3 -5 d -1 -7 d -5 Y 1 -7 d 3 -5 d 5 -1 d 3 X 4 1
 d 3 5 d 2 7 d 5 Y -2 7 d -3 5 d -4 1 d -3 X cl s 1005 119 m -2 -2 d 2 -1 d 1 1
 d -1 2 d cl s 1026 147 m -4 -1 d -4 -5 d -1 -7 d -5 Y 1 -7 d 4 -5 d 4 -1 d 3 X
 5 1 d 3 5 d 1 7 d 5 Y -1 7 d -3 5 d -5 1 d -3 X cl s 1049 140 m 1 Y 1 3 d 2 2 d
 3 1 d 6 X 3 -1 d 1 -2 d 2 -3 d -3 Y -2 -3 d -3 -4 d -15 -15 d 21 X s 1207 147 m
 -4 -1 d -3 -5 d -2 -7 d -5 Y 2 -7 d 3 -5 d 4 -1 d 3 X 5 1 d 3 5 d 1 7 d 5 Y -1
 7 d -3 5 d -5 1 d -3 X cl s 1232 119 m -2 -2 d 2 -1 d 1 1 d -1 2 d cl s 1253
 147 m -5 -1 d -3 -5 d -1 -7 d -5 Y 1 -7 d 3 -5 d 5 -1 d 3 X 4 1 d 3 5 d 2 7 d 5
 Y -2 7 d -3 5 d -4 1 d -3 X cl s 1289 147 m -15 -21 d 23 X s 1289 147 m -31 Y s
 1434 147 m -4 -1 d -4 -5 d -1 -7 d -5 Y 1 -7 d 4 -5 d 4 -1 d 3 X 5 1 d 3 5 d 1
 7 d 5 Y -1 7 d -3 5 d -5 1 d -3 X cl s 1458 119 m -1 -2 d 1 -1 d 2 1 d -2 2 d
 cl s 1479 147 m -4 -1 d -3 -5 d -2 -7 d -5 Y 2 -7 d 3 -5 d 4 -1 d 3 X 5 1 d 3 5
 d 1 7 d 5 Y -1 7 d -3 5 d -5 1 d -3 X cl s 1520 143 m -1 3 d -5 1 d -3 X -4 -1
 d -3 -5 d -2 -7 d -8 Y 2 -6 d 3 -3 d 4 -1 d 2 X 4 1 d 3 3 d 2 5 d 1 Y -2 5 d -3
 3 d -4 1 d -2 X -4 -1 d -3 -3 d -2 -5 d s 1661 147 m -5 -1 d -3 -5 d -1 -7 d -5
 Y 1 -7 d 3 -5 d 5 -1 d 3 X 4 1 d 3 5 d 2 7 d 5 Y -2 7 d -3 5 d -4 1 d -3 X cl s
 1685 119 m -2 -2 d 2 -1 d 1 1 d -1 2 d cl s 1706 147 m -4 -1 d -4 -5 d -1 -7 d
 -5 Y 1 -7 d 4 -5 d 4 -1 d 3 X 5 1 d 3 5 d 1 7 d 5 Y -1 7 d -3 5 d -5 1 d -3 X
 cl s 1735 147 m -5 -1 d -1 -3 d -3 Y 1 -3 d 3 -2 d 6 -1 d 5 -2 d 3 -3 d 1 -3 d
 -4 Y -1 -3 d -2 -2 d -4 -1 d -6 X -5 1 d -1 2 d -2 3 d 4 Y 2 3 d 3 3 d 4 2 d 6
 1 d 3 2 d 2 3 d 3 Y -2 3 d -4 1 d -6 X cl s 1473 1813 227 170 C [12 12] 0 sd
 227 170 m 165 X 1 Y 37 X 1 Y 37 X 2 Y 18 X 4 Y 19 X 2 Y 18 X 5 Y 19 X 10 Y 18 X
 18 Y 19 X 13 Y 18 X 26 Y 18 X 48 Y 19 X 52 Y 18 X 98 Y 19 X 120 Y 18 X 148 Y 18
 X 166 Y 19 X 205 Y 18 X 223 Y 19 X 211 Y 18 X 187 Y 19 X 180 Y 18 X 24 Y 18 X
 -45 Y 19 X -66 Y 18 X -212 Y 19 X -189 Y 18 X -189 Y 19 X -220 Y 18 X -153 Y 18
 X -151 Y 19 X -155 Y 18 X -97 Y 19 X -70 Y 18 X -60 Y 18 X -46 Y 19 X -28 Y 18
 X -18 Y 19 X -20 Y 18 X -5 Y 19 X -9 Y 18 X -2 Y 18 X -2 Y 19 X -5 Y 18 X 1 Y
 19 X -2 Y 55 X -1 Y 405 X s 1757 2040 0 0 C [] 0 sd 808 85 m -3 -3 d -3 -4 d -3
 -6 d -1 -8 d -6 Y 1 -7 d 3 -6 d 3 -5 d 3 -3 d s 839 75 m -3 3 d -5 1 d -6 X -4
 -1 d -3 -3 d -3 Y 1 -3 d 2 -2 d 3 -1 d 9 -3 d 3 -2 d 1 -1 d 2 -3 d -5 Y -3 -3 d
 -5 -1 d -6 X -4 1 d -3 3 d s 849 69 m -15 Y 2 -5 d 3 -1 d 4 X 3 1 d 5 5 d s 866
 69 m -21 Y s 878 69 m -21 Y s 878 63 m 4 4 d 4 2 d 4 X 3 -2 d 2 -4 d -15 Y s
 895 63 m 4 4 d 3 2 d 5 X 3 -2 d 1 -4 d -15 Y s 934 85 m -3 -3 d -3 -4 d -3 -6 d
 -2 -8 d -6 Y 2 -7 d 3 -6 d 3 -5 d 3 -3 d s 944 79 m -31 Y s 944 79 m 14 X 5 -1
 d 1 -2 d 2 -3 d -4 Y -2 -3 d -1 -2 d -5 -1 d -14 X s 978 79 m -25 Y 1 -5 d 3 -1
 d 3 X s 973 69 m 11 X s 993 85 m 3 -3 d 3 -4 d 3 -6 d 1 -8 d -6 Y -1 -7 d -3 -6
 d -3 -5 d -3 -3 d s 1040 85 m -28 -48 d s 1049 79 m -31 Y s 1049 79 m 21 -31 d
 s 1070 79 m -31 Y s 1080 85 m 3 -3 d 3 -4 d 4 -6 d 1 -8 d -6 Y -1 -7 d -4 -6 d
 -3 -5 d -3 -3 d s 1102 69 m 6 -21 d s 1114 69 m -6 -21 d s 1114 69 m 6 -21 d s
 1126 69 m -6 -21 d s 1142 69 m -3 -2 d -3 -3 d -1 -4 d -3 Y 1 -5 d 3 -3 d 3 -1
 d 5 X 3 1 d 3 3 d 1 5 d 3 Y -1 4 d -3 3 d -3 2 d -5 X cl s 1165 69 m -21 Y s
 1165 60 m 2 4 d 3 3 d 3 2 d 4 X s 1200 64 m -2 3 d -4 2 d -5 X -4 -2 d -2 -3 d
 2 -3 d 3 -1 d 7 -2 d 3 -1 d 2 -3 d -2 Y -2 -3 d -4 -1 d -5 X -4 1 d -2 3 d s
 1212 79 m -25 Y 1 -5 d 3 -1 d 3 X s 1207 69 m 11 X s 1244 61 m 27 X s 1309 85 m
 -3 -3 d -3 -4 d -3 -6 d -2 -8 d -6 Y 2 -7 d 3 -6 d 3 -5 d 3 -3 d s 1339 75 m -3
 3 d -5 1 d -6 X -4 -1 d -3 -3 d -3 Y 1 -3 d 2 -2 d 3 -1 d 9 -3 d 3 -2 d 1 -1 d
 2 -3 d -5 Y -3 -3 d -5 -1 d -6 X -4 1 d -3 3 d s 1349 69 m -15 Y 2 -5 d 3 -1 d
 4 X 4 1 d 4 5 d s 1366 69 m -21 Y s 1378 69 m -21 Y s 1378 63 m 5 4 d 3 2 d 4 X
 3 -2 d 2 -4 d -15 Y s 1395 63 m 4 4 d 3 2 d 5 X 3 -2 d 1 -4 d -15 Y s 1434 85 m
 -3 -3 d -3 -4 d -3 -6 d -2 -8 d -6 Y 2 -7 d 3 -6 d 3 -5 d 3 -3 d s 1445 69 m
 -32 Y s 1445 64 m 3 3 d 3 2 d 4 X 3 -2 d 3 -3 d 2 -4 d -3 Y -2 -5 d -3 -3 d -3
 -1 d -4 X -3 1 d -3 3 d s 1479 79 m -31 Y s 1469 79 m 21 X s 1496 85 m 3 -3 d 3
 -4 d 3 -6 d 2 -8 d -6 Y -2 -7 d -3 -6 d -3 -5 d -3 -3 d s 1543 85 m -27 -48 d s
 1552 79 m -31 Y s 1552 79 m 21 -31 d s 1573 79 m -31 Y s 1584 85 m 3 -3 d 3 -4
 d 3 -6 d 1 -8 d -6 Y -1 -7 d -3 -6 d -3 -5 d -3 -3 d s 1606 79 m -31 Y s 1606
 64 m 3 3 d 3 2 d 5 X 3 -2 d 3 -3 d 1 -4 d -3 Y -1 -5 d -3 -3 d -3 -1 d -5 X -3
 1 d -3 3 d s 1634 60 m 18 X 3 Y -2 3 d -1 1 d -3 2 d -5 X -3 -2 d -3 -3 d -1 -4
 d -3 Y 1 -5 d 3 -3 d 3 -1 d 5 X 3 1 d 3 3 d s 1677 64 m -1 3 d -5 2 d -4 X -5
 -2 d -1 -3 d 1 -3 d 3 -1 d 8 -2 d 3 -1 d 1 -3 d -2 Y -1 -3 d -5 -1 d -4 X -5 1
 d -1 3 d s 1689 79 m -25 Y 2 -5 d 3 -1 d 3 X s 1685 69 m 10 X s 14 1578 m 31 X
 s 14 1578 m 31 22 d s 14 1600 m 31 X s 24 1612 m 15 X 5 1 d 1 3 d 5 Y -1 3 d -5
 4 d s 24 1628 m 21 X s 24 1640 m 21 X s 30 1640 m -4 5 d -2 3 d 4 Y 2 3 d 4 2 d
 15 X s 30 1657 m -4 4 d -2 3 d 5 Y 2 3 d 4 2 d 15 X s 14 1686 m 31 X s 29 1686
 m -3 3 d -2 3 d 4 Y 2 3 d 3 3 d 4 2 d 3 X 5 -2 d 3 -3 d 1 -3 d -4 Y -1 -3 d -3
 -3 d s 33 1713 m 18 Y -3 X -3 -2 d -1 -1 d -2 -3 d -5 Y 2 -3 d 3 -3 d 4 -1 d 3
 X 5 1 d 3 3 d 1 3 d 5 Y -1 3 d -3 3 d s 24 1742 m 21 X s 33 1742 m -4 1 d -3 3
 d -2 3 d 5 Y s 24 1782 m 2 -3 d 3 -3 d 4 -1 d 3 X 5 1 d 3 3 d 1 3 d 5 Y -1 3 d
 -3 3 d -5 1 d -3 X -4 -1 d -3 -3 d -2 -3 d -5 Y cl s 14 1814 m -3 Y 1 -3 d 5 -1
 d 25 X s 24 1802 m 11 Y s 33 1837 m 18 Y -3 X -3 -2 d -1 -1 d -2 -3 d -5 Y 2 -3
 d 3 -3 d 4 -1 d 3 X 5 1 d 3 3 d 1 3 d 5 Y -1 3 d -3 3 d s 24 1862 m 21 10 d s
 24 1881 m 21 -9 d s 33 1888 m 18 Y -3 X -3 -1 d -1 -2 d -2 -3 d -4 Y 2 -3 d 3
 -3 d 4 -2 d 3 X 5 2 d 3 3 d 1 3 d 4 Y -1 3 d -3 3 d s 24 1917 m 21 X s 30 1917
 m -4 4 d -2 3 d 5 Y 2 3 d 4 1 d 15 X s 14 1947 m 25 X 5 2 d 1 3 d 3 Y s 24 1943
 m 10 Y s 29 1979 m -3 -2 d -2 -4 d -5 Y 2 -4 d 3 -2 d 3 2 d 1 3 d 2 7 d 1 3 d 3
 2 d 2 X 3 -2 d 1 -4 d -5 Y -1 -4 d -3 -2 d s 1473 1813 227 170 C
gr gr showpage
end
%%EOF
\end{filecontents}

\begin{filecontents}{fig1b.eps}
%!PS-Adobe-2.0 EPSF-2.0
%%BoundingBox: 0 0 439 510
%%Title: /home/nimis/emanuel/fourjets/special2.eps
%%Creator: HIGZ Version 1.22/07
%%CreationDate: 96/05/24   12.31
%%EndComments
80 dict begin
/s {stroke} def /l {lineto} def /m {moveto} def /t {translate} def
/sw {stringwidth} def /r {rotate} def /rl {roll}  def /R {repeat} def
/d {rlineto} def /rm {rmoveto} def /gr {grestore} def /f {eofill} def
/c {setrgbcolor} def /lw {setlinewidth} def /sd {setdash} def
/cl {closepath} def /sf {scalefont setfont} def /black {0 setgray} def
/box {m dup 0 exch d exch 0 d 0 exch neg d cl} def
/NC{systemdict begin initclip end}def/C{NC box clip newpath}def
/bl {box s} def /bf {box f} def /Y { 0 exch d} def /X { 0 d} def 
/mp {newpath /y exch def /x exch def} def
/side {[w .77 mul w .23 mul] .385 w mul sd w 0 l currentpoint t -144 r} def
/mr {mp x y w2 0 360 arc} def /m24 {mr s} def /m20 {mr f} def
/mb {mp x y w2 add m w2 neg 0 d 0 w neg d w 0 d 0 w d cl} def
/mt {mp x y w2 add m w2 neg w neg d w 0 d cl} def
/m21 {mb f} def /m25 {mb s} def /m22 {mt f} def /m26{mt s} def
/m23 {mp x y w2 sub m w2 w d w neg 0 d cl f} def
/m27 {mp x y w2 add m w3 neg w2 neg d w3 w2 neg d w3 w2 d cl s} def
/m28 {mp x w2 sub y w2 sub w3 add m w3 0 d 0 w3 neg d w3 0 d 0 w3 d w3 0 d
 0 w3 d w3 neg 0 d 0 w3 d w3 neg 0 d
 0 w3 neg d w3 neg 0 d cl s } def
/m29 {mp gsave x w2 sub y w2 add w3 sub m currentpoint t
 4 {side} repeat cl fill gr} def
/m30 {mp gsave x w2 sub y w2 add w3 sub m currentpoint t
 5 {side} repeat s gr} def
/m31 {mp x y w2 sub m 0 w d x w2 sub y m w 0 d
 x w2 sub y w2 add m w w neg d x w2 sub y w2
 sub m w w d s} def
/m2 {mp x y w2 sub m 0 w d x w2 sub y m w 0 d s} def
/m5 {mp x w2 sub y w2 sub m w w d x w2 sub y w2 add m w w neg d s} def
/DP {/PT exch def gsave 47.2 47.2 scale PT 1 eq { 1616 1 [ 16 0 0 16 neg 0 16
] { < AA AA 55 55 AA AA 55 55 AA AA 55 55 AA AA 55 55 AA AA 55 55 AA AA 55 55
AA AA 55 55 AA AA 55 55 > } image } if PT 2 eq { 16 16 1 [ 16 0 0 16 neg 0 16
] { < BB BB EE EE BB BB EE EE BB BB EE EE BB BB EE EE BB BB EE EE BB BB EE EE
BB BB EE EE BB BB EE EE > } image } if PT 3 eq { 16 16 1 [ 16 0 0 16 neg 0 16
] { < FF FF BB BB FF FF EE EE FF FF BB BB FF FF EE EE FF FF BB BB FF FF EE EE
FF FF BB BB FF FF EE EE > } image } if PT 4 eq { 16 16 1 [ 16 0 0 16 neg 0 16
] { < DF DF BF BF 7F 7F FE FE FD FD FB FB F7 F7 EF EF DF DF BF BF 7F 7F FE FE
FD FD FB FB F7 F7 EF EF > } image } if PT 5 eq { 16 16 1 [ 16 0 0 16 neg 0 16
] { < 7F 7F BF B F DF DF EF EF F7 F7 FB FB FD FD FE FE 7F 7F BF BF DF DF EF
EF F7 F7 FB FB FD FD FE FE > } image } if PT 6 eq { 16 16 1 [ 16 0 0 16 neg 0
16 ] { < BB BB BB BB BB BB BB BB BB BB BB BB BB BB BB BB BB BB BB BB BB BB BB
BB BB BB BB BB BB BB BB BB > } image } if PT 7 eq { 16 16 1 [ 16 0 0 16 neg 0
16 ] { < FF FF FF FF FF FF 00 00 FF FF FF FF FF FF 00 00 FF FF FF FF FF FF 00
00 FF FF FF FF FF FF 00 00 > } image } if PT 8 eq { 16 16 1 [ 16 0 0 16 neg 0
16 ] { < EE EE 47 47 83 83 C5 C5 EE EE 5C 5C 38 38 74 74 EE EE 47 47 83 83 C5
C5 EE EE 5C 5C 38 38 74 74 > } image } if PT 9 eq { 16 16 1 [ 16 0 0 16 neg 0
16 ] { < EF EF EF EF D7 D7 38 38 FE FE FE FE 7D 7D 83 83 EF EF EF EF D7 D7 38
38 FE FE FE FE 7D 7D 83 83 > } image } if PT 10 eq {16 16 1 [ 16 0 0 16 neg
0 16 ] { < EF EF EF EF EF EF 00 00 FE FE FE FE FE FE00 00 EF EF EF EF EF EF
00 00 FE FE FE FE FE FE 00 00 > } image } if PT 11 eq { 16 16 1 [ 16 0 0 16
neg 0 16 ] { < F7 F7 B6 B6 D5 D5 E3 E3 D5 D5 B6 B6 F7 F7 FF FF 7F 7F 6B 6B 5D
5D 3E 3E 5D 5D 6B 6B 7F 7F FF FF > } image } if PT 12 eq { 16 16 1 [ 16 0 0
16 neg 0 16 ] { < E3 E3 DD DD BE BE BE BE BE BE DD DD E3 E3 FF FF 3E 3E DD DD
EB EB EB EB EB EB DD DD 3E 3E FF FF > } image } if PT 13 eq { 16 16 1 [ 16 0
0 16 neg 0 16 ] { < FE FE 7D 7D BB BB D7 D7 EF EF D7D7 BB BB 7D 7D FE FE 7D
7D BB BB D7 D7 EF EF D7 D7 BB BB 7D 7D > } image } if PT 14 eq { 16 16 1 [ 16
0 0 16 neg 0 16 ] { < 00 00 EE EF EE EF EE EF 0E E0 EE EE EE EE EE EE 00 EE
FE EE FE EE FE EE 00 00 FE EF FE EF FE EF > } image } if PT 15 eq { 16 16 1 [
16 0 0 16 neg 0 16 ] { < DD DD AA AA DD DD FF FF 77 77 AA AA 77 77 FF FF DD
DD AA AA DD DD FF FF 77 77 AA AA 77 77 FF FF > } image } if PT 16 eq { 16 16
1 [ 16 0 0 16 neg 0 16 ] { < F1 F1 EE EE 1F 1F FF FFF1 F1 EE EE 1F 1F FF FF
F1 F1 EE EE 1F 1F FF FF F1 F1 EE EE 1F 1F FF FF > } image } if PT 17 eq { 16
16 1 [ 16 0 0 16 neg 0 16 ] { < EE EE DD DD BB BB FFFF EE EE DD DD BB BB FF
FF EE EE DD DD BB BB FF FF EE EE DD DD BB BB FF FF >} image } if PT 18 eq {
16 16 1 [ 16 0 0 16 neg 0 16 ] { < BB BB DD DD EE EEFF FF BB BB DD DD EE EE
FF FF BB BB DD DD EE EE FF FF BB BB DD DD EE EE FF FF > } image } if PT 19 eq
{ 16 16 1 [ 16 0 0 16 neg 0 16 ] { < 1F FC 67 F3 7B EF BD DE BD DE DE BD E6
B3 F8 0F E6 B3 DE BD BD DE BD DE 7B EF 67 F3 1F FC 7F FF > } image } if PT
20 eq { 16 16 1 [ 16 0 0 16 neg 0 16 ] { < DD DD EE EE EE EE EE EE DD DD BB
BB BB BB BB BB DD DD EE EE EE EE EE EE DD DD BB BB BB BB BB BB > } image }
if PT 21 eq { 16 16 1 [ 16 0 0 16 neg 0 16 ] { < 0E 0E EF EF EF EF EF EF E0
E0 FE FE FE FE FE FE 0E 0E EF EF EF EF EF EF E0 E0 FE FE FE FE FE FE > }
image } if PT 22 eq { 16 16 1 [ 16 0 0 16 neg 0 16 ]{ < 70 70 F7 F7 F7 F7 F7
F7 07 07 7F 7F 7F 7F 7F 7F 70 70 F7 F7 F7 F7 F7 F7 07 07 7F 7F 7F 7F 7F 7F >
} image } if PT 23 eq { 16 16 1 [ 16 0 0 16 neg 0 16] { < AA AA 55 55 A9 A9
D1 D1 E1 E1 D1 D1 A9 A9 55 55 AA AA 55 55 A9 A9 D1 D1 E1 E1 D1 D1 A9 A9 55 55
> } image } if PT 24 eq { 16 16 1 [ 16 0 0 16 neg 0 16 ] { < FF FE FF FC EA
A8 D5 54 EA A8 D5 54 E8 28 D4 54 E8 E8 D4 D4 E8 EA 54 D5 A8 EA 54 D5 00 C0 00
80 > } image } if PT 25 eq { 16 16 1 [ 16 0 0 16 neg0 16 ] { < FF FE FF FC
FF F8 FF F0 F0 00 F0 00 F0 20 F0 60 F0 E0 F1 E0 F3 E0 F0 00 E0 00 C0 00 80 00
00 00 > } image } if gr } def /FA { /PT exch def gsave clip 0 0 translate 1 1
54 { 1 sub 47.2 mul /Xcurr exch def 1 1 74 { 1 sub 47.2 mul /Ycurr exch def
gsave Xcurr Ycurr translate PT DP gr } for } for gr } def
/reencdict 24 dict def /ReEncode {reencdict begin /nco&na exch def
/nfnam exch def /basefontname exch def /basefontdict basefontname findfont def
/newfont basefontdict maxlength dict def basefontdict {exch dup /FID ne
{dup /Encoding eq {exch dup length array copy newfont 3 1 roll put} {exch
newfont 3 1 roll put} ifelse} {pop pop} ifelse } forall newfont
/FontName nfnam put nco&na aload pop nco&na length 2 idiv {newfont
/Encoding get 3 1 roll put} repeat nfnam newfont definefont pop end } def
/accvec [ 176 /agrave 181 /Agrave 190 /acircumflex 192 /Acircumflex
201 /adieresis 204 /Adieresis 209 /ccedilla 210 /Ccedilla 211 /eacute
212 /Eacute 213 /egrave 214 /Egrave 215 /ecircumflex 216 /Ecircumflex
217 /edieresis 218 /Edieresis 219 /icircumflex 220 /Icircumflex
221 /idieresis 222 /Idieresis 223 /ntilde 224 /Ntilde 226 /ocircumflex
228 /Ocircumflex 229 /odieresis 230 /Odieresis 231 /ucircumflex 236 /Ucircumflex
237 /udieresis 238 /Udieresis 239 /aring 242 /Aring 243 /ydieresis
244 /Ydieresis 246 /aacute 247 /Aacute 252 /ugrave 253 /Ugrave] def
/Times-Roman /Times-Roman accvec ReEncode
/Times-Italic /Times-Italic accvec ReEncode
/Times-Bold /Times-Bold accvec ReEncode
/Times-BoldItalic /Times-BoldItalic accvec ReEncode
/Helvetica /Helvetica accvec ReEncode
/Helvetica-Oblique /Helvetica-Oblique accvec ReEncode
/Helvetica-Bold /Helvetica-Bold accvec ReEncode
/Helvetica-BoldOblique /Helvetica-BoldOblique  accvec ReEncode
/Courier /Courier accvec ReEncode
/Courier-Oblique /Courier-Oblique accvec ReEncode
/Courier-Bold /Courier-Bold accvec ReEncode
/Courier-BoldOblique /Courier-BoldOblique accvec ReEncode
/oshow {gsave [] 0 sd true charpath stroke gr} def
/stwn { /fs exch def /fn exch def /text exch def fn findfont fs sf
 text sw pop xs add /xs exch def} def
/stwb { /fs exch def /fn exch def /nbas exch def /textf exch def
textf length /tlen exch def nbas tlen gt {/nbas tlendef} if
fn findfont fs sf textf dup length nbas sub nbas getinterval sw
pop neg xs add /xs exch def} def
/accspe [ 65 /plusminus 66 /bar 67 /existential 68 /universal
69 /exclam 70 /numbersign 71 /greater 72 /question 73 /integral
74 /colon 75 /semicolon 76 /less 77 /bracketleft 78 /bracketright
79 /greaterequal 80 /braceleft 81 /braceright 82 /radical
83 /spade 84 /heart 85 /diamond 86 /club 87 /lessequal
88 /multiply 89 /percent 90 /infinity 48 /circlemultiply 49 /circleplus
50 /emptyset 51 /lozenge 52 /bullet 53 /arrowright 54 /arrowup
55 /arrowleft 56 /arrowdown 57 /arrowboth 48 /degree 44 /comma 43 /plus
 45 /angle 42 /angleleft 47 /divide 61 /notequal 40 /equivalence 41 /second
 97 /approxequal 98 /congruent 99 /perpendicular 100 /partialdiff 101 /florin
 102 /intersection 103 /union 104 /propersuperset 105 /reflexsuperset
 106 /notsubset 107 /propersubset 108 /reflexsubset 109 /element 110 /notelement
 111 /gradient 112 /logicaland 113 /logicalor 114 /arrowdblboth
 115 /arrowdblleft 116 /arrowdblup 117 /arrowdblright 118 /arrowdbldown
 119 /ampersand 120 /omega1 121 /similar 122 /aleph ] def
/Symbol /Special accspe ReEncode
gsave .25 .25 scale 
%%EndProlog
 gsave 0 0 t black [] 0 sd 1 lw 1473 1813 227 170 bl 1473 1813 227 170 C 227 170
 m 589 X 1 Y 18 X 11 Y 19 X 60 Y 18 X 143 Y 19 X 236 Y 18 X 274 Y 19 X 304 Y 18
 X 248 Y 18 X 131 Y 19 X 123 Y 18 X 18 Y 19 X -47 Y 18 X -138 Y 18 X -122 Y 19 X
 -151 Y 18 X -128 Y 19 X -135 Y 18 X -119 Y 19 X -137 Y 18 X -109 Y 18 X -73 Y
 19 X -86 Y 18 X -47 Y 19 X -55 Y 18 X -43 Y 18 X -31 Y 19 X -30 Y 18 X -22 Y 19
 X -24 Y 18 X -4 Y 18 X -7 Y 19 X -16 Y 18 X -3 Y 19 X -10 Y 18 X 3 Y 19 X -9 Y
 18 X -1 Y 18 X -1 Y 19 X -1 Y 18 X -1 Y 74 X -1 Y 55 X -1 Y 37 X s NC 227 170 m
 1813 Y s 261 170 m -34 X s 244 208 m -17 X s 244 245 m -17 X s 244 283 m -17 X
 s 244 321 m -17 X s 261 359 m -34 X s 244 396 m -17 X s 244 434 m -17 X s 244
 472 m -17 X s 244 510 m -17 X s 261 547 m -34 X s 244 585 m -17 X s 244 623 m
 -17 X s 244 660 m -17 X s 244 698 m -17 X s 261 736 m -34 X s 244 774 m -17 X s
 244 811 m -17 X s 244 849 m -17 X s 244 887 m -17 X s 261 924 m -34 X s 244 962
 m -17 X s 244 1000 m -17 X s 244 1038 m -17 X s 244 1075 m -17 X s 261 1113 m
 -34 X s 244 1151 m -17 X s 244 1189 m -17 X s 244 1226 m -17 X s 244 1264 m -17
 X s 261 1302 m -34 X s 244 1339 m -17 X s 244 1377 m -17 X s 244 1415 m -17 X s
 244 1453 m -17 X s 261 1490 m -34 X s 244 1528 m -17 X s 244 1566 m -17 X s 244
 1604 m -17 X s 244 1641 m -17 X s 261 1679 m -34 X s 244 1717 m -17 X s 244
 1754 m -17 X s 244 1792 m -17 X s 244 1830 m -17 X s 261 1868 m -34 X s 261
 1868 m -34 X s 244 1905 m -17 X s 244 1943 m -17 X s 244 1981 m -17 X s 165 186
 m -5 -2 d -3 -4 d -1 -8 d -4 Y 1 -8 d 3 -4 d 5 -2 d 3 X 4 2 d 3 4 d 2 8 d 4 Y
 -2 8 d -3 4 d -4 2 d -3 X cl s 70 368 m 3 2 d 4 4 d -31 Y s 104 374 m -4 -1 d
 -3 -5 d -2 -7 d -5 Y 2 -7 d 3 -5 d 4 -1 d 3 X 5 1 d 3 5 d 1 7 d 5 Y -1 7 d -3 5
 d -5 1 d -3 X cl s 134 374 m -4 -1 d -3 -5 d -2 -7 d -5 Y 2 -7 d 3 -5 d 4 -1 d
 4 X 4 1 d 3 5 d 2 7 d 5 Y -2 7 d -3 5 d -4 1 d -4 X cl s 165 374 m -5 -1 d -3
 -5 d -1 -7 d -5 Y 1 -7 d 3 -5 d 5 -1 d 3 X 4 1 d 3 5 d 2 7 d 5 Y -2 7 d -3 5 d
 -4 1 d -3 X cl s 66 556 m 1 Y 2 3 d 2 2 d 3 1 d 6 X 3 -1 d 1 -2 d 2 -3 d -3 Y
 -2 -3 d -3 -5 d -15 -15 d 21 X s 104 563 m -4 -1 d -3 -5 d -2 -7 d -5 Y 2 -8 d
 3 -4 d 4 -2 d 3 X 5 2 d 3 4 d 1 8 d 5 Y -1 7 d -3 5 d -5 1 d -3 X cl s 134 563
 m -4 -1 d -3 -5 d -2 -7 d -5 Y 2 -8 d 3 -4 d 4 -2 d 4 X 4 2 d 3 4 d 2 8 d 5 Y
 -2 7 d -3 5 d -4 1 d -4 X cl s 165 563 m -5 -1 d -3 -5 d -1 -7 d -5 Y 1 -8 d 3
 -4 d 5 -2 d 3 X 4 2 d 3 4 d 2 8 d 5 Y -2 7 d -3 5 d -4 1 d -3 X cl s 68 752 m
 17 X -9 -12 d 4 X 3 -2 d 2 -1 d 1 -5 d -3 Y -1 -4 d -3 -3 d -5 -2 d -4 X -5 2 d
 -2 1 d -1 3 d s 104 752 m -4 -2 d -3 -4 d -2 -8 d -4 Y 2 -8 d 3 -4 d 4 -2 d 3 X
 5 2 d 3 4 d 1 8 d 4 Y -1 8 d -3 4 d -5 2 d -3 X cl s 134 752 m -4 -2 d -3 -4 d
 -2 -8 d -4 Y 2 -8 d 3 -4 d 4 -2 d 4 X 4 2 d 3 4 d 2 8 d 4 Y -2 8 d -3 4 d -4 2
 d -4 X cl s 165 752 m -5 -2 d -3 -4 d -1 -8 d -4 Y 1 -8 d 3 -4 d 5 -2 d 3 X 4 2
 d 3 4 d 2 8 d 4 Y -2 8 d -3 4 d -4 2 d -3 X cl s 80 940 m -15 -21 d 23 X s 80
 940 m -31 Y s 104 940 m -4 -1 d -3 -5 d -2 -7 d -5 Y 2 -7 d 3 -5 d 4 -1 d 3 X 5
 1 d 3 5 d 1 7 d 5 Y -1 7 d -3 5 d -5 1 d -3 X cl s 134 940 m -4 -1 d -3 -5 d -2
 -7 d -5 Y 2 -7 d 3 -5 d 4 -1 d 4 X 4 1 d 3 5 d 2 7 d 5 Y -2 7 d -3 5 d -4 1 d
 -4 X cl s 165 940 m -5 -1 d -3 -5 d -1 -7 d -5 Y 1 -7 d 3 -5 d 5 -1 d 3 X 4 1 d
 3 5 d 2 7 d 5 Y -2 7 d -3 5 d -4 1 d -3 X cl s 83 1129 m -15 X -2 -14 d 2 2 d 5
 1 d 4 X 5 -1 d 3 -3 d 1 -5 d -3 Y -1 -4 d -3 -3 d -5 -2 d -4 X -5 2 d -2 1 d -1
 3 d s 104 1129 m -4 -2 d -3 -4 d -2 -8 d -4 Y 2 -8 d 3 -4 d 4 -2 d 3 X 5 2 d 3
 4 d 1 8 d 4 Y -1 8 d -3 4 d -5 2 d -3 X cl s 134 1129 m -4 -2 d -3 -4 d -2 -8 d
 -4 Y 2 -8 d 3 -4 d 4 -2 d 4 X 4 2 d 3 4 d 2 8 d 4 Y -2 8 d -3 4 d -4 2 d -4 X
 cl s 165 1129 m -5 -2 d -3 -4 d -1 -8 d -4 Y 1 -8 d 3 -4 d 5 -2 d 3 X 4 2 d 3 4
 d 2 8 d 4 Y -2 8 d -3 4 d -4 2 d -3 X cl s 85 1313 m -2 3 d -4 2 d -3 X -5 -2 d
 -3 -4 d -2 -8 d -8 Y 2 -6 d 3 -3 d 5 -1 d 1 X 5 1 d 3 3 d 1 5 d 1 Y -1 5 d -3 3
 d -5 1 d -1 X -5 -1 d -3 -3 d -2 -5 d s 104 1318 m -4 -2 d -3 -4 d -2 -8 d -5 Y
 2 -7 d 3 -5 d 4 -1 d 3 X 5 1 d 3 5 d 1 7 d 5 Y -1 8 d -3 4 d -5 2 d -3 X cl s
 134 1318 m -4 -2 d -3 -4 d -2 -8 d -5 Y 2 -7 d 3 -5 d 4 -1 d 4 X 4 1 d 3 5 d 2
 7 d 5 Y -2 8 d -3 4 d -4 2 d -4 X cl s 165 1318 m -5 -2 d -3 -4 d -1 -8 d -5 Y
 1 -7 d 3 -5 d 5 -1 d 3 X 4 1 d 3 5 d 2 7 d 5 Y -2 8 d -3 4 d -4 2 d -3 X cl s
 86 1506 m -15 -32 d s 65 1506 m 21 X s 104 1506 m -4 -1 d -3 -5 d -2 -7 d -5 Y
 2 -7 d 3 -5 d 4 -2 d 3 X 5 2 d 3 5 d 1 7 d 5 Y -1 7 d -3 5 d -5 1 d -3 X cl s
 134 1506 m -4 -1 d -3 -5 d -2 -7 d -5 Y 2 -7 d 3 -5 d 4 -2 d 4 X 4 2 d 3 5 d 2
 7 d 5 Y -2 7 d -3 5 d -4 1 d -4 X cl s 165 1506 m -5 -1 d -3 -5 d -1 -7 d -5 Y
 1 -7 d 3 -5 d 5 -2 d 3 X 4 2 d 3 5 d 2 7 d 5 Y -2 7 d -3 5 d -4 1 d -3 X cl s
 73 1695 m -5 -2 d -2 -3 d -3 Y 2 -3 d 3 -1 d 6 -2 d 5 -1 d 3 -3 d 1 -3 d -5 Y
 -1 -3 d -2 -1 d -4 -2 d -6 X -5 2 d -2 1 d -1 3 d 5 Y 1 3 d 4 3 d 4 1 d 6 2 d 3
 1 d 2 3 d 3 Y -2 3 d -4 2 d -6 X cl s 104 1695 m -4 -2 d -3 -4 d -2 -8 d -4 Y 2
 -8 d 3 -4 d 4 -2 d 3 X 5 2 d 3 4 d 1 8 d 4 Y -1 8 d -3 4 d -5 2 d -3 X cl s 134
 1695 m -4 -2 d -3 -4 d -2 -8 d -4 Y 2 -8 d 3 -4 d 4 -2 d 4 X 4 2 d 3 4 d 2 8 d
 4 Y -2 8 d -3 4 d -4 2 d -4 X cl s 165 1695 m -5 -2 d -3 -4 d -1 -8 d -4 Y 1 -8
 d 3 -4 d 5 -2 d 3 X 4 2 d 3 4 d 2 8 d 4 Y -2 8 d -3 4 d -4 2 d -3 X cl s 85
 1873 m -2 -5 d -3 -3 d -4 -1 d -2 X -4 1 d -4 3 d -1 5 d 1 Y 1 5 d 4 3 d 4 1 d
 2 X 4 -1 d 3 -3 d 2 -6 d -8 Y -2 -7 d -3 -5 d -4 -1 d -3 X -5 1 d -2 3 d s 104
 1883 m -4 -1 d -3 -5 d -2 -7 d -5 Y 2 -7 d 3 -5 d 4 -1 d 3 X 5 1 d 3 5 d 1 7 d
 5 Y -1 7 d -3 5 d -5 1 d -3 X cl s 134 1883 m -4 -1 d -3 -5 d -2 -7 d -5 Y 2 -7
 d 3 -5 d 4 -1 d 4 X 4 1 d 3 5 d 2 7 d 5 Y -2 7 d -3 5 d -4 1 d -4 X cl s 165
 1883 m -5 -1 d -3 -5 d -1 -7 d -5 Y 1 -7 d 3 -5 d 5 -1 d 3 X 4 1 d 3 5 d 2 7 d
 5 Y -2 7 d -3 5 d -4 1 d -3 X cl s 227 170 m 1473 X s 340 204 m -34 Y s 397 187
 m -17 Y s 453 187 m -17 Y s 510 187 m -17 Y s 567 204 m -34 Y s 623 187 m -17 Y
 s 680 187 m -17 Y s 737 187 m -17 Y s 793 204 m -34 Y s 850 187 m -17 Y s 907
 187 m -17 Y s 963 187 m -17 Y s 1020 204 m -34 Y s 1077 187 m -17 Y s 1133 187
 m -17 Y s 1190 187 m -17 Y s 1247 204 m -34 Y s 1303 187 m -17 Y s 1360 187 m
 -17 Y s 1417 187 m -17 Y s 1473 204 m -34 Y s 1530 187 m -17 Y s 1587 187 m -17
 Y s 1643 187 m -17 Y s 1700 204 m -34 Y s 340 204 m -34 Y s 283 187 m -17 Y s
 227 187 m -17 Y s 274 129 m 27 X s 320 147 m -4 -1 d -3 -5 d -2 -7 d -5 Y 2 -7
 d 3 -5 d 4 -1 d 3 X 5 1 d 3 5 d 1 7 d 5 Y -1 7 d -3 5 d -5 1 d -3 X cl s 345
 119 m -2 -2 d 2 -1 d 1 1 d -1 2 d cl s 366 147 m -5 -1 d -3 -5 d -1 -7 d -5 Y 1
 -7 d 3 -5 d 5 -1 d 3 X 4 1 d 3 5 d 2 7 d 5 Y -2 7 d -3 5 d -4 1 d -3 X cl s 402
 147 m -15 -21 d 23 X s 402 147 m -31 Y s 500 129 m 27 X s 547 147 m -5 -1 d -3
 -5 d -1 -7 d -5 Y 1 -7 d 3 -5 d 5 -1 d 3 X 5 1 d 3 5 d 1 7 d 5 Y -1 7 d -3 5 d
 -5 1 d -3 X cl s 571 119 m -1 -2 d 1 -1 d 2 1 d -2 2 d cl s 592 147 m -4 -1 d
 -3 -5 d -2 -7 d -5 Y 2 -7 d 3 -5 d 4 -1 d 3 X 5 1 d 3 5 d 1 7 d 5 Y -1 7 d -3 5
 d -5 1 d -3 X cl s 615 140 m 1 Y 2 3 d 1 2 d 3 1 d 6 X 3 -1 d 2 -2 d 1 -3 d -3
 Y -1 -3 d -3 -4 d -15 -15 d 21 X s 792 147 m -5 -1 d -3 -5 d -1 -7 d -5 Y 1 -7
 d 3 -5 d 5 -1 d 3 X 4 1 d 3 5 d 2 7 d 5 Y -2 7 d -3 5 d -4 1 d -3 X cl s 981
 147 m -5 -1 d -3 -5 d -1 -7 d -5 Y 1 -7 d 3 -5 d 5 -1 d 3 X 4 1 d 3 5 d 2 7 d 5
 Y -2 7 d -3 5 d -4 1 d -3 X cl s 1005 119 m -2 -2 d 2 -1 d 1 1 d -1 2 d cl s
 1026 147 m -4 -1 d -4 -5 d -1 -7 d -5 Y 1 -7 d 4 -5 d 4 -1 d 3 X 5 1 d 3 5 d 1
 7 d 5 Y -1 7 d -3 5 d -5 1 d -3 X cl s 1049 140 m 1 Y 1 3 d 2 2 d 3 1 d 6 X 3
 -1 d 1 -2 d 2 -3 d -3 Y -2 -3 d -3 -4 d -15 -15 d 21 X s 1207 147 m -4 -1 d -3
 -5 d -2 -7 d -5 Y 2 -7 d 3 -5 d 4 -1 d 3 X 5 1 d 3 5 d 1 7 d 5 Y -1 7 d -3 5 d
 -5 1 d -3 X cl s 1232 119 m -2 -2 d 2 -1 d 1 1 d -1 2 d cl s 1253 147 m -5 -1 d
 -3 -5 d -1 -7 d -5 Y 1 -7 d 3 -5 d 5 -1 d 3 X 4 1 d 3 5 d 2 7 d 5 Y -2 7 d -3 5
 d -4 1 d -3 X cl s 1289 147 m -15 -21 d 23 X s 1289 147 m -31 Y s 1434 147 m -4
 -1 d -4 -5 d -1 -7 d -5 Y 1 -7 d 4 -5 d 4 -1 d 3 X 5 1 d 3 5 d 1 7 d 5 Y -1 7 d
 -3 5 d -5 1 d -3 X cl s 1458 119 m -1 -2 d 1 -1 d 2 1 d -2 2 d cl s 1479 147 m
 -4 -1 d -3 -5 d -2 -7 d -5 Y 2 -7 d 3 -5 d 4 -1 d 3 X 5 1 d 3 5 d 1 7 d 5 Y -1
 7 d -3 5 d -5 1 d -3 X cl s 1520 143 m -1 3 d -5 1 d -3 X -4 -1 d -3 -5 d -2 -7
 d -8 Y 2 -6 d 3 -3 d 4 -1 d 2 X 4 1 d 3 3 d 2 5 d 1 Y -2 5 d -3 3 d -4 1 d -2 X
 -4 -1 d -3 -3 d -2 -5 d s 1661 147 m -5 -1 d -3 -5 d -1 -7 d -5 Y 1 -7 d 3 -5 d
 5 -1 d 3 X 4 1 d 3 5 d 2 7 d 5 Y -2 7 d -3 5 d -4 1 d -3 X cl s 1685 119 m -2
 -2 d 2 -1 d 1 1 d -1 2 d cl s 1706 147 m -4 -1 d -4 -5 d -1 -7 d -5 Y 1 -7 d 4
 -5 d 4 -1 d 3 X 5 1 d 3 5 d 1 7 d 5 Y -1 7 d -3 5 d -5 1 d -3 X cl s 1735 147 m
 -5 -1 d -1 -3 d -3 Y 1 -3 d 3 -2 d 6 -1 d 5 -2 d 3 -3 d 1 -3 d -4 Y -1 -3 d -2
 -2 d -4 -1 d -6 X -5 1 d -1 2 d -2 3 d 4 Y 2 3 d 3 3 d 4 2 d 6 1 d 3 2 d 2 3 d
 3 Y -2 3 d -4 1 d -6 X cl s 1473 1813 227 170 C [12 12] 0 sd 227 170 m 589 X 3
 Y 18 X 44 Y 19 X 175 Y 18 X 325 Y 19 X 412 Y 18 X 345 Y 19 X 289 Y 18 X 146 Y
 18 X 5 Y 19 X -71 Y 18 X -148 Y 19 X -185 Y 18 X -154 Y 18 X -202 Y 19 X -174 Y
 18 X -141 Y 19 X -130 Y 18 X -100 Y 19 X -101 Y 18 X -54 Y 18 X -73 Y 19 X -46
 Y 18 X -38 Y 19 X -25 Y 18 X -28 Y 18 X -19 Y 19 X -11 Y 18 X -14 Y 19 X -5 Y
 18 X -5 Y 18 X -5 Y 19 X -5 Y 37 X -3 Y 18 X -2 Y 19 X -2 Y 73 X -1 Y 19 X -1 Y
 18 X -1 Y 37 X 1 Y 37 X -1 Y 55 X s 1757 2040 0 0 C [] 0 sd 585 85 m -3 -3 d -3
 -4 d -3 -6 d -2 -8 d -6 Y 2 -7 d 3 -6 d 3 -5 d 3 -3 d s 615 75 m -3 3 d -5 1 d
 -6 X -4 -1 d -3 -3 d -3 Y 1 -3 d 2 -2 d 3 -1 d 9 -3 d 3 -2 d 2 -1 d 1 -3 d -5 Y
 -3 -3 d -5 -1 d -6 X -4 1 d -3 3 d s 626 69 m -15 Y 1 -5 d 3 -1 d 5 X 3 1 d 4 5
 d s 642 69 m -21 Y s 654 69 m -21 Y s 654 63 m 5 4 d 3 2 d 4 X 3 -2 d 2 -4 d
 -15 Y s 671 63 m 4 4 d 3 2 d 5 X 3 -2 d 2 -4 d -15 Y s 710 85 m -3 -3 d -3 -4 d
 -3 -6 d -1 -8 d -6 Y 1 -7 d 3 -6 d 3 -5 d 3 -3 d s 721 79 m -31 Y s 721 79 m 13
 X 5 -1 d 1 -2 d 2 -3 d -4 Y -2 -3 d -1 -2 d -5 -1 d -13 X s 754 79 m -25 Y 2 -5
 d 3 -1 d 3 X s 750 69 m 10 X s 769 85 m 3 -3 d 3 -4 d 3 -6 d 2 -8 d -6 Y -2 -7
 d -3 -6 d -3 -5 d -3 -3 d s 816 85 m -27 -48 d s 825 79 m -31 Y s 825 79 m 21
 -31 d s 846 79 m -31 Y s 857 85 m 3 -3 d 3 -4 d 3 -6 d 1 -8 d -6 Y -1 -7 d -3
 -6 d -3 -5 d -3 -3 d s 879 69 m -21 Y s 879 63 m 5 4 d 3 2 d 5 X 3 -2 d 1 -4 d
 -15 Y s 896 63 m 5 4 d 3 2 d 4 X 3 -2 d 2 -4 d -15 Y s 941 69 m -21 Y s 941 64
 m -3 3 d -3 2 d -4 X -3 -2 d -3 -3 d -2 -4 d -3 Y 2 -5 d 3 -3 d 3 -1 d 4 X 3 1
 d 3 3 d s 952 69 m 17 -21 d s 969 69 m -17 -21 d s 978 79 m 1 -1 d 2 1 d -2 2 d
 -1 -2 d cl s 979 69 m -21 Y s 991 69 m -21 Y s 991 63 m 5 4 d 3 2 d 4 X 3 -2 d
 2 -4 d -15 Y s 1008 63 m 4 4 d 3 2 d 5 X 3 -2 d 2 -4 d -15 Y s 1037 69 m -15 Y
 1 -5 d 3 -1 d 5 X 3 1 d 4 5 d s 1053 69 m -21 Y s 1065 69 m -21 Y s 1065 63 m 5
 4 d 3 2 d 4 X 3 -2 d 2 -4 d -15 Y s 1082 63 m 4 4 d 4 2 d 4 X 3 -2 d 2 -4 d -15
 Y s 1126 61 m 27 X s 1191 85 m -3 -3 d -3 -4 d -3 -6 d -2 -8 d -6 Y 2 -7 d 3 -6
 d 3 -5 d 3 -3 d s 1221 75 m -3 3 d -5 1 d -6 X -4 -1 d -3 -3 d -3 Y 1 -3 d 2 -2
 d 3 -1 d 9 -3 d 3 -2 d 1 -1 d 2 -3 d -5 Y -3 -3 d -5 -1 d -6 X -4 1 d -3 3 d s
 1232 69 m -15 Y 1 -5 d 3 -1 d 5 X 3 1 d 4 5 d s 1248 69 m -21 Y s 1260 69 m -21
 Y s 1260 63 m 5 4 d 3 2 d 4 X 3 -2 d 2 -4 d -15 Y s 1277 63 m 4 4 d 3 2 d 5 X 3
 -2 d 2 -4 d -15 Y s 1316 85 m -3 -3 d -3 -4 d -3 -6 d -1 -8 d -6 Y 1 -7 d 3 -6
 d 3 -5 d 3 -3 d s 1327 69 m -32 Y s 1327 64 m 3 3 d 3 2 d 4 X 3 -2 d 3 -3 d 2
 -4 d -3 Y -2 -5 d -3 -3 d -3 -1 d -4 X -3 1 d -3 3 d s 1362 79 m -31 Y s 1351
 79 m 21 X s 1378 85 m 3 -3 d 3 -4 d 3 -6 d 2 -8 d -6 Y -2 -7 d -3 -6 d -3 -5 d
 -3 -3 d s 1425 85 m -27 -48 d s 1434 79 m -31 Y s 1434 79 m 21 -31 d s 1455 79
 m -31 Y s 1466 85 m 3 -3 d 3 -4 d 3 -6 d 1 -8 d -6 Y -1 -7 d -3 -6 d -3 -5 d -3
 -3 d s 1488 69 m -21 Y s 1488 63 m 5 4 d 3 2 d 5 X 3 -2 d 1 -4 d -15 Y s 1505
 63 m 5 4 d 3 2 d 4 X 3 -2 d 2 -4 d -15 Y s 1532 79 m 2 -1 d 1 1 d -1 2 d -2 -2
 d cl s 1534 69 m -21 Y s 1546 69 m -21 Y s 1546 63 m 4 4 d 3 2 d 5 X 3 -2 d 1
 -4 d -15 Y s 1573 79 m 2 -1 d 1 1 d -1 2 d -2 -2 d cl s 1575 69 m -21 Y s 1587
 69 m -21 Y s 1587 63 m 4 4 d 3 2 d 5 X 3 -2 d 1 -4 d -15 Y s 1603 63 m 5 4 d 3
 2 d 4 X 3 -2 d 2 -4 d -15 Y s 1632 69 m -15 Y 2 -5 d 3 -1 d 4 X 3 1 d 5 5 d s
 1649 69 m -21 Y s 1661 69 m -21 Y s 1661 63 m 4 4 d 3 2 d 5 X 3 -2 d 1 -4 d -15
 Y s 1677 63 m 5 4 d 3 2 d 4 X 3 -2 d 2 -4 d -15 Y s 14 1578 m 31 X s 14 1578 m
 31 22 d s 14 1600 m 31 X s 24 1612 m 15 X 5 1 d 1 3 d 5 Y -1 3 d -5 4 d s 24
 1628 m 21 X s 24 1640 m 21 X s 30 1640 m -4 5 d -2 3 d 4 Y 2 3 d 4 2 d 15 X s
 30 1657 m -4 4 d -2 3 d 5 Y 2 3 d 4 2 d 15 X s 14 1686 m 31 X s 29 1686 m -3 3
 d -2 3 d 4 Y 2 3 d 3 3 d 4 2 d 3 X 5 -2 d 3 -3 d 1 -3 d -4 Y -1 -3 d -3 -3 d s
 33 1713 m 18 Y -3 X -3 -2 d -1 -1 d -2 -3 d -5 Y 2 -3 d 3 -3 d 4 -1 d 3 X 5 1 d
 3 3 d 1 3 d 5 Y -1 3 d -3 3 d s 24 1742 m 21 X s 33 1742 m -4 1 d -3 3 d -2 3 d
 5 Y s 24 1782 m 2 -3 d 3 -3 d 4 -1 d 3 X 5 1 d 3 3 d 1 3 d 5 Y -1 3 d -3 3 d -5
 1 d -3 X -4 -1 d -3 -3 d -2 -3 d -5 Y cl s 14 1814 m -3 Y 1 -3 d 5 -1 d 25 X s
 24 1802 m 11 Y s 33 1837 m 18 Y -3 X -3 -2 d -1 -1 d -2 -3 d -5 Y 2 -3 d 3 -3 d
 4 -1 d 3 X 5 1 d 3 3 d 1 3 d 5 Y -1 3 d -3 3 d s 24 1862 m 21 10 d s 24 1881 m
 21 -9 d s 33 1888 m 18 Y -3 X -3 -1 d -1 -2 d -2 -3 d -4 Y 2 -3 d 3 -3 d 4 -2 d
 3 X 5 2 d 3 3 d 1 3 d 4 Y -1 3 d -3 3 d s 24 1917 m 21 X s 30 1917 m -4 4 d -2
 3 d 5 Y 2 3 d 4 1 d 15 X s 14 1947 m 25 X 5 2 d 1 3 d 3 Y s 24 1943 m 10 Y s 29
 1979 m -3 -2 d -2 -4 d -5 Y 2 -4 d 3 -2 d 3 2 d 1 3 d 2 7 d 1 3 d 3 2 d 2 X 3
 -2 d 1 -4 d -5 Y -1 -4 d -3 -2 d s 1473 1813 227 170 C
gr gr showpage
end
%%EOF
\end{filecontents}

\begin{filecontents}{fig2a.eps}
%!PS-Adobe-2.0 EPSF-2.0
%%BoundingBox: 0 0 439 510
%%Title: /home/nimis/emanuel/runs/out4a.eps
%%Creator: HIGZ Version 1.22/07
%%CreationDate: 96/04/03   10.03
%%EndComments
80 dict begin
/s {stroke} def /l {lineto} def /m {moveto} def /t {translate} def
/sw {stringwidth} def /r {rotate} def /rl {roll}  def /R {repeat} def
/d {rlineto} def /rm {rmoveto} def /gr {grestore} def /f {eofill} def
/c {setrgbcolor} def /lw {setlinewidth} def /sd {setdash} def
/cl {closepath} def /sf {scalefont setfont} def /black {0 setgray} def
/box {m dup 0 exch d exch 0 d 0 exch neg d cl} def
/NC{systemdict begin initclip end}def/C{NC box clip newpath}def
/bl {box s} def /bf {box f} def /Y { 0 exch d} def /X { 0 d} def 
/mp {newpath /y exch def /x exch def} def
/side {[w .77 mul w .23 mul] .385 w mul sd w 0 l currentpoint t -144 r} def
/mr {mp x y w2 0 360 arc} def /m24 {mr s} def /m20 {mr f} def
/mb {mp x y w2 add m w2 neg 0 d 0 w neg d w 0 d 0 w d cl} def
/mt {mp x y w2 add m w2 neg w neg d w 0 d cl} def
/m21 {mb f} def /m25 {mb s} def /m22 {mt f} def /m26{mt s} def
/m23 {mp x y w2 sub m w2 w d w neg 0 d cl f} def
/m27 {mp x y w2 add m w3 neg w2 neg d w3 w2 neg d w3 w2 d cl s} def
/m28 {mp x w2 sub y w2 sub w3 add m w3 0 d 0 w3 neg d w3 0 d 0 w3 d w3 0 d
 0 w3 d w3 neg 0 d 0 w3 d w3 neg 0 d
 0 w3 neg d w3 neg 0 d cl s } def
/m29 {mp gsave x w2 sub y w2 add w3 sub m currentpoint t
 4 {side} repeat cl fill gr} def
/m30 {mp gsave x w2 sub y w2 add w3 sub m currentpoint t
 5 {side} repeat s gr} def
/m31 {mp x y w2 sub m 0 w d x w2 sub y m w 0 d
 x w2 sub y w2 add m w w neg d x w2 sub y w2
 sub m w w d s} def
/m2 {mp x y w2 sub m 0 w d x w2 sub y m w 0 d s} def
/m5 {mp x w2 sub y w2 sub m w w d x w2 sub y w2 add m w w neg d s} def
/DP {/PT exch def gsave 47.2 47.2 scale PT 1 eq { 1616 1 [ 16 0 0 16 neg 0 16
] { < AA AA 55 55 AA AA 55 55 AA AA 55 55 AA AA 55 55 AA AA 55 55 AA AA 55 55
AA AA 55 55 AA AA 55 55 > } image } if PT 2 eq { 16 16 1 [ 16 0 0 16 neg 0 16
] { < BB BB EE EE BB BB EE EE BB BB EE EE BB BB EE EE BB BB EE EE BB BB EE EE
BB BB EE EE BB BB EE EE > } image } if PT 3 eq { 16 16 1 [ 16 0 0 16 neg 0 16
] { < FF FF BB BB FF FF EE EE FF FF BB BB FF FF EE EE FF FF BB BB FF FF EE EE
FF FF BB BB FF FF EE EE > } image } if PT 4 eq { 16 16 1 [ 16 0 0 16 neg 0 16
] { < DF DF BF BF 7F 7F FE FE FD FD FB FB F7 F7 EF EF DF DF BF BF 7F 7F FE FE
FD FD FB FB F7 F7 EF EF > } image } if PT 5 eq { 16 16 1 [ 16 0 0 16 neg 0 16
] { < 7F 7F BF B F DF DF EF EF F7 F7 FB FB FD FD FE FE 7F 7F BF BF DF DF EF
EF F7 F7 FB FB FD FD FE FE > } image } if PT 6 eq { 16 16 1 [ 16 0 0 16 neg 0
16 ] { < BB BB BB BB BB BB BB BB BB BB BB BB BB BB BB BB BB BB BB BB BB BB BB
BB BB BB BB BB BB BB BB BB > } image } if PT 7 eq { 16 16 1 [ 16 0 0 16 neg 0
16 ] { < FF FF FF FF FF FF 00 00 FF FF FF FF FF FF 00 00 FF FF FF FF FF FF 00
00 FF FF FF FF FF FF 00 00 > } image } if PT 8 eq { 16 16 1 [ 16 0 0 16 neg 0
16 ] { < EE EE 47 47 83 83 C5 C5 EE EE 5C 5C 38 38 74 74 EE EE 47 47 83 83 C5
C5 EE EE 5C 5C 38 38 74 74 > } image } if PT 9 eq { 16 16 1 [ 16 0 0 16 neg 0
16 ] { < EF EF EF EF D7 D7 38 38 FE FE FE FE 7D 7D 83 83 EF EF EF EF D7 D7 38
38 FE FE FE FE 7D 7D 83 83 > } image } if PT 10 eq {16 16 1 [ 16 0 0 16 neg
0 16 ] { < EF EF EF EF EF EF 00 00 FE FE FE FE FE FE00 00 EF EF EF EF EF EF
00 00 FE FE FE FE FE FE 00 00 > } image } if PT 11 eq { 16 16 1 [ 16 0 0 16
neg 0 16 ] { < F7 F7 B6 B6 D5 D5 E3 E3 D5 D5 B6 B6 F7 F7 FF FF 7F 7F 6B 6B 5D
5D 3E 3E 5D 5D 6B 6B 7F 7F FF FF > } image } if PT 12 eq { 16 16 1 [ 16 0 0
16 neg 0 16 ] { < E3 E3 DD DD BE BE BE BE BE BE DD DD E3 E3 FF FF 3E 3E DD DD
EB EB EB EB EB EB DD DD 3E 3E FF FF > } image } if PT 13 eq { 16 16 1 [ 16 0
0 16 neg 0 16 ] { < FE FE 7D 7D BB BB D7 D7 EF EF D7D7 BB BB 7D 7D FE FE 7D
7D BB BB D7 D7 EF EF D7 D7 BB BB 7D 7D > } image } if PT 14 eq { 16 16 1 [ 16
0 0 16 neg 0 16 ] { < 00 00 EE EF EE EF EE EF 0E E0 EE EE EE EE EE EE 00 EE
FE EE FE EE FE EE 00 00 FE EF FE EF FE EF > } image } if PT 15 eq { 16 16 1 [
16 0 0 16 neg 0 16 ] { < DD DD AA AA DD DD FF FF 77 77 AA AA 77 77 FF FF DD
DD AA AA DD DD FF FF 77 77 AA AA 77 77 FF FF > } image } if PT 16 eq { 16 16
1 [ 16 0 0 16 neg 0 16 ] { < F1 F1 EE EE 1F 1F FF FFF1 F1 EE EE 1F 1F FF FF
F1 F1 EE EE 1F 1F FF FF F1 F1 EE EE 1F 1F FF FF > } image } if PT 17 eq { 16
16 1 [ 16 0 0 16 neg 0 16 ] { < EE EE DD DD BB BB FFFF EE EE DD DD BB BB FF
FF EE EE DD DD BB BB FF FF EE EE DD DD BB BB FF FF >} image } if PT 18 eq {
16 16 1 [ 16 0 0 16 neg 0 16 ] { < BB BB DD DD EE EEFF FF BB BB DD DD EE EE
FF FF BB BB DD DD EE EE FF FF BB BB DD DD EE EE FF FF > } image } if PT 19 eq
{ 16 16 1 [ 16 0 0 16 neg 0 16 ] { < 1F FC 67 F3 7B EF BD DE BD DE DE BD E6
B3 F8 0F E6 B3 DE BD BD DE BD DE 7B EF 67 F3 1F FC 7F FF > } image } if PT
20 eq { 16 16 1 [ 16 0 0 16 neg 0 16 ] { < DD DD EE EE EE EE EE EE DD DD BB
BB BB BB BB BB DD DD EE EE EE EE EE EE DD DD BB BB BB BB BB BB > } image }
if PT 21 eq { 16 16 1 [ 16 0 0 16 neg 0 16 ] { < 0E 0E EF EF EF EF EF EF E0
E0 FE FE FE FE FE FE 0E 0E EF EF EF EF EF EF E0 E0 FE FE FE FE FE FE > }
image } if PT 22 eq { 16 16 1 [ 16 0 0 16 neg 0 16 ]{ < 70 70 F7 F7 F7 F7 F7
F7 07 07 7F 7F 7F 7F 7F 7F 70 70 F7 F7 F7 F7 F7 F7 07 07 7F 7F 7F 7F 7F 7F >
} image } if PT 23 eq { 16 16 1 [ 16 0 0 16 neg 0 16] { < AA AA 55 55 A9 A9
D1 D1 E1 E1 D1 D1 A9 A9 55 55 AA AA 55 55 A9 A9 D1 D1 E1 E1 D1 D1 A9 A9 55 55
> } image } if PT 24 eq { 16 16 1 [ 16 0 0 16 neg 0 16 ] { < FF FE FF FC EA
A8 D5 54 EA A8 D5 54 E8 28 D4 54 E8 E8 D4 D4 E8 EA 54 D5 A8 EA 54 D5 00 C0 00
80 > } image } if PT 25 eq { 16 16 1 [ 16 0 0 16 neg0 16 ] { < FF FE FF FC
FF F8 FF F0 F0 00 F0 00 F0 20 F0 60 F0 E0 F1 E0 F3 E0 F0 00 E0 00 C0 00 80 00
00 00 > } image } if gr } def /FA { /PT exch def gsave clip 0 0 translate 1 1
54 { 1 sub 47.2 mul /Xcurr exch def 1 1 74 { 1 sub 47.2 mul /Ycurr exch def
gsave Xcurr Ycurr translate PT DP gr } for } for gr } def
/reencdict 24 dict def /ReEncode {reencdict begin /nco&na exch def
/nfnam exch def /basefontname exch def /basefontdict basefontname findfont def
/newfont basefontdict maxlength dict def basefontdict {exch dup /FID ne
{dup /Encoding eq {exch dup length array copy newfont 3 1 roll put} {exch
newfont 3 1 roll put} ifelse} {pop pop} ifelse } forall newfont
/FontName nfnam put nco&na aload pop nco&na length 2 idiv {newfont
/Encoding get 3 1 roll put} repeat nfnam newfont definefont pop end } def
/accvec [ 176 /agrave 181 /Agrave 190 /acircumflex 192 /Acircumflex
201 /adieresis 204 /Adieresis 209 /ccedilla 210 /Ccedilla 211 /eacute
212 /Eacute 213 /egrave 214 /Egrave 215 /ecircumflex 216 /Ecircumflex
217 /edieresis 218 /Edieresis 219 /icircumflex 220 /Icircumflex
221 /idieresis 222 /Idieresis 223 /ntilde 224 /Ntilde 226 /ocircumflex
228 /Ocircumflex 229 /odieresis 230 /Odieresis 231 /ucircumflex 236 /Ucircumflex
237 /udieresis 238 /Udieresis 239 /aring 242 /Aring 243 /ydieresis
244 /Ydieresis 246 /aacute 247 /Aacute 252 /ugrave 253 /Ugrave] def
/Times-Roman /Times-Roman accvec ReEncode
/Times-Italic /Times-Italic accvec ReEncode
/Times-Bold /Times-Bold accvec ReEncode
/Times-BoldItalic /Times-BoldItalic accvec ReEncode
/Helvetica /Helvetica accvec ReEncode
/Helvetica-Oblique /Helvetica-Oblique accvec ReEncode
/Helvetica-Bold /Helvetica-Bold accvec ReEncode
/Helvetica-BoldOblique /Helvetica-BoldOblique  accvec ReEncode
/Courier /Courier accvec ReEncode
/Courier-Oblique /Courier-Oblique accvec ReEncode
/Courier-Bold /Courier-Bold accvec ReEncode
/Courier-BoldOblique /Courier-BoldOblique accvec ReEncode
/oshow {gsave [] 0 sd true charpath stroke gr} def
/stwn { /fs exch def /fn exch def /text exch def fn findfont fs sf
 text sw pop xs add /xs exch def} def
/stwb { /fs exch def /fn exch def /nbas exch def /textf exch def
textf length /tlen exch def nbas tlen gt {/nbas tlendef} if
fn findfont fs sf textf dup length nbas sub nbas getinterval sw
pop neg xs add /xs exch def} def
/accspe [ 65 /plusminus 66 /bar 67 /existential 68 /universal
69 /exclam 70 /numbersign 71 /greater 72 /question 73 /integral
74 /colon 75 /semicolon 76 /less 77 /bracketleft 78 /bracketright
79 /greaterequal 80 /braceleft 81 /braceright 82 /radical
83 /spade 84 /heart 85 /diamond 86 /club 87 /lessequal
88 /multiply 89 /percent 90 /infinity 48 /circlemultiply 49 /circleplus
50 /emptyset 51 /lozenge 52 /bullet 53 /arrowright 54 /arrowup
55 /arrowleft 56 /arrowdown 57 /arrowboth 48 /degree 44 /comma 43 /plus
 45 /angle 42 /angleleft 47 /divide 61 /notequal 40 /equivalence 41 /second
 97 /approxequal 98 /congruent 99 /perpendicular 100 /partialdiff 101 /florin
 102 /intersection 103 /union 104 /propersuperset 105 /reflexsuperset
 106 /notsubset 107 /propersubset 108 /reflexsubset 109 /element 110 /notelement
 111 /gradient 112 /logicaland 113 /logicalor 114 /arrowdblboth
 115 /arrowdblleft 116 /arrowdblup 117 /arrowdblright 118 /arrowdbldown
 119 /ampersand 120 /omega1 121 /similar 122 /aleph ] def
/Symbol /Special accspe ReEncode
gsave .25 .25 scale 
%%EndProlog
 gsave 0 0 t black [] 0 sd 1 lw 1473 1813 227 170 bl 1473 1813 227 170 C 227 170
 m 92 X 3 Y 18 X -3 Y 19 X 3 Y 36 X 2 Y 19 X -2 Y 18 X 2 Y 19 X 11 Y 18 X 24 Y
 18 X 9 Y 19 X 51 Y 18 X 73 Y 19 X 48 Y 18 X 157 Y 19 X 205 Y 18 X 205 Y 18 X
 286 Y 19 X 162 Y 18 X 319 Y 19 X 113 Y 18 X -2 Y 18 X 11 Y 19 X -152 Y 18 X -21
 Y 19 X -35 Y 37 X -276 Y 18 X -54 Y 18 X -97 Y 19 X -73 Y 18 X -11 Y 19 X -137
 Y 18 X -57 Y 18 X -54 Y 19 X -111 Y 18 X 27 Y 19 X -105 Y 18 X -40 Y 19 X -81 Y
 18 X 91 Y 18 X -51 Y 19 X -78 Y 18 X -87 Y 19 X 6 Y 18 X -57 Y 19 X 38 Y 18 X
 -38 Y 18 X -62 Y 19 X 5 Y 18 X 27 Y 19 X -78 Y 18 X -11 Y 18 X 19 Y 19 X -19 Y
 18 X 6 Y 19 X -68 Y 18 X 19 Y 19 X -16 Y 18 X 16 Y 18 X -11 Y 19 X -11 Y 18 X 6
 Y 37 X -14 Y 18 X -5 Y 19 X -14 Y 18 X 17 Y 19 X -14 Y 18 X 3 Y 19 X -14 Y 18 X
 -5 Y 18 X 5 Y 19 X 6 Y 18 X -3 Y 19 X 3 Y 18 X -11 Y s NC 227 170 m 1813 Y s
 261 170 m -34 X s 244 233 m -17 X s 244 297 m -17 X s 244 360 m -17 X s 244 424
 m -17 X s 261 487 m -34 X s 244 550 m -17 X s 244 614 m -17 X s 244 677 m -17 X
 s 244 741 m -17 X s 261 804 m -34 X s 244 868 m -17 X s 244 931 m -17 X s 244
 994 m -17 X s 244 1058 m -17 X s 261 1121 m -34 X s 244 1185 m -17 X s 244 1248
 m -17 X s 244 1311 m -17 X s 244 1375 m -17 X s 261 1438 m -34 X s 244 1502 m
 -17 X s 244 1565 m -17 X s 244 1628 m -17 X s 244 1692 m -17 X s 261 1755 m -34
 X s 261 1755 m -34 X s 244 1819 m -17 X s 244 1882 m -17 X s 244 1945 m -17 X s
 165 186 m -5 -2 d -3 -4 d -1 -8 d -4 Y 1 -8 d 3 -4 d 5 -2 d 3 X 4 2 d 3 4 d 2 8
 d 4 Y -2 8 d -3 4 d -4 2 d -3 X cl s 89 503 m -4 -2 d -3 -4 d -2 -8 d -4 Y 2 -8
 d 3 -4 d 4 -2 d 3 X 5 2 d 3 4 d 1 8 d 4 Y -1 8 d -3 4 d -5 2 d -3 X cl s 113
 474 m -1 -1 d 1 -2 d 2 2 d -2 1 d cl s 134 503 m -4 -2 d -3 -4 d -2 -8 d -4 Y 2
 -8 d 3 -4 d 4 -2 d 4 X 4 2 d 3 4 d 2 8 d 4 Y -2 8 d -3 4 d -4 2 d -4 X cl s 160
 497 m 3 1 d 5 5 d -32 Y s 89 820 m -4 -2 d -3 -4 d -2 -8 d -4 Y 2 -8 d 3 -4 d 4
 -2 d 3 X 5 2 d 3 4 d 1 8 d 4 Y -1 8 d -3 4 d -5 2 d -3 X cl s 113 791 m -1 -1 d
 1 -2 d 2 2 d -2 1 d cl s 134 820 m -4 -2 d -3 -4 d -2 -8 d -4 Y 2 -8 d 3 -4 d 4
 -2 d 4 X 4 2 d 3 4 d 2 8 d 4 Y -2 8 d -3 4 d -4 2 d -4 X cl s 157 812 m 2 Y 2 3
 d 1 1 d 3 2 d 6 X 3 -2 d 2 -1 d 1 -3 d -3 Y -1 -3 d -3 -5 d -15 -15 d 21 X s 89
 1137 m -4 -1 d -3 -5 d -2 -8 d -4 Y 2 -8 d 3 -4 d 4 -2 d 3 X 5 2 d 3 4 d 1 8 d
 4 Y -1 8 d -3 5 d -5 1 d -3 X cl s 113 1108 m -1 -1 d 1 -2 d 2 2 d -2 1 d cl s
 134 1137 m -4 -1 d -3 -5 d -2 -8 d -4 Y 2 -8 d 3 -4 d 4 -2 d 4 X 4 2 d 3 4 d 2
 8 d 4 Y -2 8 d -3 5 d -4 1 d -4 X cl s 159 1137 m 16 X -9 -12 d 5 X 3 -2 d 1 -1
 d 2 -5 d -3 Y -2 -4 d -3 -3 d -4 -2 d -5 X -4 2 d -2 1 d -1 3 d s 89 1454 m -4
 -1 d -3 -5 d -2 -8 d -4 Y 2 -8 d 3 -4 d 4 -2 d 3 X 5 2 d 3 4 d 1 8 d 4 Y -1 8 d
 -3 5 d -5 1 d -3 X cl s 113 1425 m -1 -1 d 1 -2 d 2 2 d -2 1 d cl s 134 1454 m
 -4 -1 d -3 -5 d -2 -8 d -4 Y 2 -8 d 3 -4 d 4 -2 d 4 X 4 2 d 3 4 d 2 8 d 4 Y -2
 8 d -3 5 d -4 1 d -4 X cl s 171 1454 m -15 -21 d 22 X s 171 1454 m -32 Y s 89
 1771 m -4 -1 d -3 -5 d -2 -7 d -5 Y 2 -8 d 3 -4 d 4 -2 d 3 X 5 2 d 3 4 d 1 8 d
 5 Y -1 7 d -3 5 d -5 1 d -3 X cl s 113 1742 m -1 -1 d 1 -2 d 2 2 d -2 1 d cl s
 134 1771 m -4 -1 d -3 -5 d -2 -7 d -5 Y 2 -8 d 3 -4 d 4 -2 d 4 X 4 2 d 3 4 d 2
 8 d 5 Y -2 7 d -3 5 d -4 1 d -4 X cl s 174 1771 m -15 X -2 -13 d 2 1 d 4 2 d 5
 X 4 -2 d 3 -3 d 2 -5 d -3 Y -2 -4 d -3 -3 d -4 -2 d -5 X -4 2 d -2 1 d -1 3 d s
 227 170 m 1473 X s 227 204 m -34 Y s 264 187 m -17 Y s 300 187 m -17 Y s 337
 187 m -17 Y s 374 187 m -17 Y s 411 204 m -34 Y s 448 187 m -17 Y s 484 187 m
 -17 Y s 521 187 m -17 Y s 558 187 m -17 Y s 595 204 m -34 Y s 632 187 m -17 Y s
 669 187 m -17 Y s 705 187 m -17 Y s 742 187 m -17 Y s 779 204 m -34 Y s 816 187
 m -17 Y s 853 187 m -17 Y s 890 187 m -17 Y s 926 187 m -17 Y s 963 204 m -34 Y
 s 1000 187 m -17 Y s 1037 187 m -17 Y s 1074 187 m -17 Y s 1111 187 m -17 Y s
 1147 204 m -34 Y s 1184 187 m -17 Y s 1221 187 m -17 Y s 1258 187 m -17 Y s
 1295 187 m -17 Y s 1332 204 m -34 Y s 1368 187 m -17 Y s 1405 187 m -17 Y s
 1442 187 m -17 Y s 1479 187 m -17 Y s 1516 204 m -34 Y s 1553 187 m -17 Y s
 1590 187 m -17 Y s 1626 187 m -17 Y s 1663 187 m -17 Y s 1700 204 m -34 Y s 227
 204 m -34 Y s 175 129 m 27 X s 222 147 m -4 -1 d -3 -5 d -2 -7 d -5 Y 2 -7 d 3
 -5 d 4 -1 d 3 X 5 1 d 3 5 d 1 7 d 5 Y -1 7 d -3 5 d -5 1 d -3 X cl s 246 119 m
 -1 -2 d 1 -1 d 2 1 d -2 2 d cl s 263 141 m 3 2 d 4 4 d -31 Y s 344 129 m 28 X s
 391 147 m -4 -1 d -3 -5 d -2 -7 d -5 Y 2 -7 d 3 -5 d 4 -1 d 3 X 5 1 d 3 5 d 1 7
 d 5 Y -1 7 d -3 5 d -5 1 d -3 X cl s 415 119 m -1 -2 d 1 -1 d 2 1 d -2 2 d cl s
 437 147 m -5 -1 d -3 -5 d -2 -7 d -5 Y 2 -7 d 3 -5 d 5 -1 d 3 X 4 1 d 3 5 d 2 7
 d 5 Y -2 7 d -3 5 d -4 1 d -3 X cl s 476 147 m -15 X -2 -13 d 2 1 d 4 2 d 5 X 4
 -2 d 3 -3 d 2 -4 d -3 Y -2 -5 d -3 -3 d -4 -1 d -5 X -4 1 d -2 2 d -1 3 d s 593
 147 m -4 -1 d -3 -5 d -2 -7 d -5 Y 2 -7 d 3 -5 d 4 -1 d 4 X 4 1 d 3 5 d 2 7 d 5
 Y -2 7 d -3 5 d -4 1 d -4 X cl s 740 147 m -5 -1 d -3 -5 d -1 -7 d -5 Y 1 -7 d
 3 -5 d 5 -1 d 3 X 4 1 d 3 5 d 2 7 d 5 Y -2 7 d -3 5 d -4 1 d -3 X cl s 764 119
 m -1 -2 d 1 -1 d 2 1 d -2 2 d cl s 785 147 m -4 -1 d -3 -5 d -2 -7 d -5 Y 2 -7
 d 3 -5 d 4 -1 d 3 X 5 1 d 3 5 d 1 7 d 5 Y -1 7 d -3 5 d -5 1 d -3 X cl s 824
 147 m -15 X -1 -13 d 1 1 d 5 2 d 4 X 5 -2 d 3 -3 d 2 -4 d -3 Y -2 -5 d -3 -3 d
 -5 -1 d -4 X -5 1 d -1 2 d -2 3 d s 939 147 m -4 -1 d -3 -5 d -2 -7 d -5 Y 2 -7
 d 3 -5 d 4 -1 d 3 X 5 1 d 3 5 d 1 7 d 5 Y -1 7 d -3 5 d -5 1 d -3 X cl s 963
 119 m -1 -2 d 1 -1 d 2 1 d -2 2 d cl s 980 141 m 3 2 d 5 4 d -31 Y s 1108 147 m
 -4 -1 d -3 -5 d -2 -7 d -5 Y 2 -7 d 3 -5 d 4 -1 d 3 X 5 1 d 3 5 d 1 7 d 5 Y -1
 7 d -3 5 d -5 1 d -3 X cl s 1132 119 m -1 -2 d 1 -1 d 2 1 d -2 2 d cl s 1149
 141 m 3 2 d 5 4 d -31 Y s 1193 147 m -15 X -2 -13 d 2 1 d 4 2 d 5 X 4 -2 d 3 -3
 d 2 -4 d -3 Y -2 -5 d -3 -3 d -4 -1 d -5 X -4 1 d -2 2 d -1 3 d s 1307 147 m -4
 -1 d -3 -5 d -2 -7 d -5 Y 2 -7 d 3 -5 d 4 -1 d 4 X 4 1 d 3 5 d 2 7 d 5 Y -2 7 d
 -3 5 d -4 1 d -4 X cl s 1332 119 m -2 -2 d 2 -1 d 1 1 d -1 2 d cl s 1345 140 m
 1 Y 2 3 d 1 2 d 3 1 d 6 X 3 -1 d 2 -2 d 1 -3 d -3 Y -1 -3 d -3 -4 d -15 -15 d
 21 X s 1477 147 m -5 -1 d -3 -5 d -2 -7 d -5 Y 2 -7 d 3 -5 d 5 -1 d 3 X 4 1 d 3
 5 d 2 7 d 5 Y -2 7 d -3 5 d -4 1 d -3 X cl s 1501 119 m -2 -2 d 2 -1 d 1 1 d -1
 2 d cl s 1514 140 m 1 Y 2 3 d 1 2 d 3 1 d 6 X 3 -1 d 2 -2 d 1 -3 d -3 Y -1 -3 d
 -3 -4 d -15 -15 d 21 X s 1561 147 m -15 X -1 -13 d 1 1 d 5 2 d 4 X 5 -2 d 3 -3
 d 1 -4 d -3 Y -1 -5 d -3 -3 d -5 -1 d -4 X -5 1 d -1 2 d -2 3 d s 1676 147 m -5
 -1 d -3 -5 d -1 -7 d -5 Y 1 -7 d 3 -5 d 5 -1 d 3 X 4 1 d 3 5 d 2 7 d 5 Y -2 7 d
 -3 5 d -4 1 d -3 X cl s 1700 119 m -2 -2 d 2 -1 d 2 1 d -2 2 d cl s 1715 147 m
 17 X -9 -12 d 4 X 3 -1 d 2 -2 d 1 -4 d -3 Y -1 -5 d -3 -3 d -5 -1 d -4 X -5 1 d
 -1 2 d -2 3 d s 1473 1813 227 170 C [12 12] 0 sd 227 170 m 92 X 3 Y 55 X 5 Y 18
 X -8 Y 19 X 15 Y 18 X 35 Y 19 X 28 Y 18 X 57 Y 18 X 73 Y 19 X 150 Y 18 X 238 Y
 19 X 276 Y 18 X 323 Y 19 X 293 Y 18 X 180 Y 18 X 61 Y 19 X 15 Y 18 X -116 Y 19
 X -180 Y 18 X 35 Y 18 X -78 Y 19 X -193 Y 18 X 21 Y 19 X -153 Y 18 X -70 Y 19 X
 -83 Y 18 X 63 Y 18 X -223 Y 19 X -96 Y 18 X 73 Y 19 X -110 Y 18 X -98 Y 18 X 10
 Y 19 X -83 Y 18 X -7 Y 19 X -40 Y 18 X 10 Y 19 X -105 Y 18 X -10 Y 18 X 7 Y 19
 X -25 Y 18 X -50 Y 19 X -78 Y 18 X 53 Y 19 X -48 Y 18 X -2 Y 18 X -50 Y 19 X 17
 Y 18 X -15 Y 19 X -7 Y 18 X -35 Y 37 X -25 Y 18 X 15 Y 19 X -10 Y 18 X -13 Y 19
 X 13 Y 18 X -5 Y 18 X -13 Y 19 X 5 Y 18 X -30 Y 19 X -7 Y 18 X 15 Y 18 X 2 Y 19
 X -7 Y 18 X -3 Y 19 X 3 Y 18 X 5 Y 19 X -8 Y 18 X -7 Y 18 X 2 Y 19 X -7 Y 18 X
 2 Y 19 X -2 Y 18 X -3 Y s 1757 2040 0 0 C [] 0 sd 1068 75 m -3 3 d -4 1 d -6 X
 -5 -1 d -3 -3 d -3 Y 2 -3 d 1 -2 d 3 -1 d 9 -3 d 3 -2 d 2 -1 d 1 -3 d -5 Y -3
 -3 d -4 -1 d -6 X -5 1 d -3 3 d s 1079 69 m -15 Y 1 -5 d 3 -1 d 5 X 3 1 d 5 5 d
 s 1096 69 m -21 Y s 1108 69 m -21 Y s 1108 63 m 4 4 d 3 2 d 5 X 3 -2 d 1 -4 d
 -15 Y s 1124 63 m 5 4 d 3 2 d 4 X 3 -2 d 2 -4 d -15 Y s 1164 85 m -3 -3 d -3 -4
 d -4 -6 d -1 -8 d -6 Y 1 -7 d 4 -6 d 3 -5 d 3 -3 d s 1174 79 m -31 Y s 1174 79
 m 14 X 4 -1 d 2 -2 d 1 -3 d -4 Y -1 -3 d -2 -2 d -4 -1 d -14 X s 1207 79 m -25
 Y 2 -5 d 3 -1 d 3 X s 1203 69 m 10 X s 1222 85 m 4 -3 d 3 -4 d 3 -6 d 1 -8 d -6
 Y -1 -7 d -3 -6 d -3 -5 d -4 -3 d s 1244 69 m 6 -21 d s 1256 69 m -6 -21 d s
 1256 69 m 6 -21 d s 1268 69 m -6 -21 d s 1284 69 m -3 -2 d -3 -3 d -1 -4 d -3 Y
 1 -5 d 3 -3 d 3 -1 d 5 X 3 1 d 3 3 d 2 5 d 3 Y -2 4 d -3 3 d -3 2 d -5 X cl s
 1307 69 m -21 Y s 1307 60 m 2 4 d 3 3 d 3 2 d 4 X s 1342 64 m -2 3 d -4 2 d -5
 X -4 -2 d -2 -3 d 2 -3 d 3 -1 d 7 -2 d 3 -1 d 2 -3 d -2 Y -2 -3 d -4 -1 d -5 X
 -4 1 d -2 3 d s 1354 79 m -25 Y 1 -5 d 3 -1 d 4 X s 1349 69 m 11 X s 1371 61 m
 27 X s 1430 75 m -4 3 d -4 1 d -6 X -5 -1 d -3 -3 d -3 Y 2 -3 d 1 -2 d 3 -1 d 9
 -3 d 3 -2 d 2 -1 d 2 -3 d -5 Y -4 -3 d -4 -1 d -6 X -5 1 d -3 3 d s 1440 69 m
 -15 Y 2 -5 d 3 -1 d 4 X 3 1 d 5 5 d s 1457 69 m -21 Y s 1469 69 m -21 Y s 1469
 63 m 4 4 d 3 2 d 5 X 3 -2 d 1 -4 d -15 Y s 1485 63 m 5 4 d 3 2 d 5 X 3 -2 d 1
 -4 d -15 Y s 1525 85 m -3 -3 d -3 -4 d -3 -6 d -2 -8 d -6 Y 2 -7 d 3 -6 d 3 -5
 d 3 -3 d s 1535 79 m -31 Y s 1535 79 m 14 X 4 -1 d 2 -2 d 1 -3 d -4 Y -1 -3 d
 -2 -2 d -4 -1 d -14 X s 1569 79 m -25 Y 1 -5 d 3 -1 d 3 X s 1564 69 m 11 X s
 1584 85 m 3 -3 d 3 -4 d 3 -6 d 1 -8 d -6 Y -1 -7 d -3 -6 d -3 -5 d -3 -3 d s
 1606 79 m -31 Y s 1606 64 m 3 3 d 3 2 d 5 X 3 -2 d 3 -3 d 1 -4 d -3 Y -1 -5 d
 -3 -3 d -3 -1 d -5 X -3 1 d -3 3 d s 1634 60 m 18 X 3 Y -2 3 d -1 1 d -3 2 d -5
 X -3 -2 d -3 -3 d -1 -4 d -3 Y 1 -5 d 3 -3 d 3 -1 d 5 X 3 1 d 3 3 d s 1677 64 m
 -1 3 d -5 2 d -4 X -5 -2 d -1 -3 d 1 -3 d 3 -1 d 8 -2 d 3 -1 d 1 -3 d -2 Y -1
 -3 d -5 -1 d -4 X -5 1 d -1 3 d s 1689 79 m -25 Y 2 -5 d 3 -1 d 3 X s 1685 69 m
 10 X s 14 1578 m 31 X s 14 1578 m 31 22 d s 14 1600 m 31 X s 24 1612 m 15 X 5 1
 d 1 3 d 5 Y -1 3 d -5 4 d s 24 1628 m 21 X s 24 1640 m 21 X s 30 1640 m -4 5 d
 -2 3 d 4 Y 2 3 d 4 2 d 15 X s 30 1657 m -4 4 d -2 3 d 5 Y 2 3 d 4 2 d 15 X s 14
 1686 m 31 X s 29 1686 m -3 3 d -2 3 d 4 Y 2 3 d 3 3 d 4 2 d 3 X 5 -2 d 3 -3 d 1
 -3 d -4 Y -1 -3 d -3 -3 d s 33 1713 m 18 Y -3 X -3 -2 d -1 -1 d -2 -3 d -5 Y 2
 -3 d 3 -3 d 4 -1 d 3 X 5 1 d 3 3 d 1 3 d 5 Y -1 3 d -3 3 d s 24 1742 m 21 X s
 33 1742 m -4 1 d -3 3 d -2 3 d 5 Y s 24 1782 m 2 -3 d 3 -3 d 4 -1 d 3 X 5 1 d 3
 3 d 1 3 d 5 Y -1 3 d -3 3 d -5 1 d -3 X -4 -1 d -3 -3 d -2 -3 d -5 Y cl s 14
 1814 m -3 Y 1 -3 d 5 -1 d 25 X s 24 1802 m 11 Y s 33 1837 m 18 Y -3 X -3 -2 d
 -1 -1 d -2 -3 d -5 Y 2 -3 d 3 -3 d 4 -1 d 3 X 5 1 d 3 3 d 1 3 d 5 Y -1 3 d -3 3
 d s 24 1862 m 21 10 d s 24 1881 m 21 -9 d s 33 1888 m 18 Y -3 X -3 -1 d -1 -2 d
 -2 -3 d -4 Y 2 -3 d 3 -3 d 4 -2 d 3 X 5 2 d 3 3 d 1 3 d 4 Y -1 3 d -3 3 d s 24
 1917 m 21 X s 30 1917 m -4 4 d -2 3 d 5 Y 2 3 d 4 1 d 15 X s 14 1947 m 25 X 5 2
 d 1 3 d 3 Y s 24 1943 m 10 Y s 29 1979 m -3 -2 d -2 -4 d -5 Y 2 -4 d 3 -2 d 3 2
 d 1 3 d 2 7 d 1 3 d 3 2 d 2 X 3 -2 d 1 -4 d -5 Y -1 -4 d -3 -2 d s 1473 1813
 227 170 C
gr gr showpage
end
%%EOF
\end{filecontents}

\begin{filecontents}{fig2b.eps}
%!PS-Adobe-2.0 EPSF-2.0
%%BoundingBox: 0 0 439 510
%%Title: /home/nimis/emanuel/runs/out5a.eps
%%Creator: HIGZ Version 1.22/07
%%CreationDate: 96/04/03   14.07
%%EndComments
80 dict begin
/s {stroke} def /l {lineto} def /m {moveto} def /t {translate} def
/sw {stringwidth} def /r {rotate} def /rl {roll}  def /R {repeat} def
/d {rlineto} def /rm {rmoveto} def /gr {grestore} def /f {eofill} def
/c {setrgbcolor} def /lw {setlinewidth} def /sd {setdash} def
/cl {closepath} def /sf {scalefont setfont} def /black {0 setgray} def
/box {m dup 0 exch d exch 0 d 0 exch neg d cl} def
/NC{systemdict begin initclip end}def/C{NC box clip newpath}def
/bl {box s} def /bf {box f} def /Y { 0 exch d} def /X { 0 d} def 
/mp {newpath /y exch def /x exch def} def
/side {[w .77 mul w .23 mul] .385 w mul sd w 0 l currentpoint t -144 r} def
/mr {mp x y w2 0 360 arc} def /m24 {mr s} def /m20 {mr f} def
/mb {mp x y w2 add m w2 neg 0 d 0 w neg d w 0 d 0 w d cl} def
/mt {mp x y w2 add m w2 neg w neg d w 0 d cl} def
/m21 {mb f} def /m25 {mb s} def /m22 {mt f} def /m26{mt s} def
/m23 {mp x y w2 sub m w2 w d w neg 0 d cl f} def
/m27 {mp x y w2 add m w3 neg w2 neg d w3 w2 neg d w3 w2 d cl s} def
/m28 {mp x w2 sub y w2 sub w3 add m w3 0 d 0 w3 neg d w3 0 d 0 w3 d w3 0 d
 0 w3 d w3 neg 0 d 0 w3 d w3 neg 0 d
 0 w3 neg d w3 neg 0 d cl s } def
/m29 {mp gsave x w2 sub y w2 add w3 sub m currentpoint t
 4 {side} repeat cl fill gr} def
/m30 {mp gsave x w2 sub y w2 add w3 sub m currentpoint t
 5 {side} repeat s gr} def
/m31 {mp x y w2 sub m 0 w d x w2 sub y m w 0 d
 x w2 sub y w2 add m w w neg d x w2 sub y w2
 sub m w w d s} def
/m2 {mp x y w2 sub m 0 w d x w2 sub y m w 0 d s} def
/m5 {mp x w2 sub y w2 sub m w w d x w2 sub y w2 add m w w neg d s} def
/DP {/PT exch def gsave 47.2 47.2 scale PT 1 eq { 1616 1 [ 16 0 0 16 neg 0 16
] { < AA AA 55 55 AA AA 55 55 AA AA 55 55 AA AA 55 55 AA AA 55 55 AA AA 55 55
AA AA 55 55 AA AA 55 55 > } image } if PT 2 eq { 16 16 1 [ 16 0 0 16 neg 0 16
] { < BB BB EE EE BB BB EE EE BB BB EE EE BB BB EE EE BB BB EE EE BB BB EE EE
BB BB EE EE BB BB EE EE > } image } if PT 3 eq { 16 16 1 [ 16 0 0 16 neg 0 16
] { < FF FF BB BB FF FF EE EE FF FF BB BB FF FF EE EE FF FF BB BB FF FF EE EE
FF FF BB BB FF FF EE EE > } image } if PT 4 eq { 16 16 1 [ 16 0 0 16 neg 0 16
] { < DF DF BF BF 7F 7F FE FE FD FD FB FB F7 F7 EF EF DF DF BF BF 7F 7F FE FE
FD FD FB FB F7 F7 EF EF > } image } if PT 5 eq { 16 16 1 [ 16 0 0 16 neg 0 16
] { < 7F 7F BF B F DF DF EF EF F7 F7 FB FB FD FD FE FE 7F 7F BF BF DF DF EF
EF F7 F7 FB FB FD FD FE FE > } image } if PT 6 eq { 16 16 1 [ 16 0 0 16 neg 0
16 ] { < BB BB BB BB BB BB BB BB BB BB BB BB BB BB BB BB BB BB BB BB BB BB BB
BB BB BB BB BB BB BB BB BB > } image } if PT 7 eq { 16 16 1 [ 16 0 0 16 neg 0
16 ] { < FF FF FF FF FF FF 00 00 FF FF FF FF FF FF 00 00 FF FF FF FF FF FF 00
00 FF FF FF FF FF FF 00 00 > } image } if PT 8 eq { 16 16 1 [ 16 0 0 16 neg 0
16 ] { < EE EE 47 47 83 83 C5 C5 EE EE 5C 5C 38 38 74 74 EE EE 47 47 83 83 C5
C5 EE EE 5C 5C 38 38 74 74 > } image } if PT 9 eq { 16 16 1 [ 16 0 0 16 neg 0
16 ] { < EF EF EF EF D7 D7 38 38 FE FE FE FE 7D 7D 83 83 EF EF EF EF D7 D7 38
38 FE FE FE FE 7D 7D 83 83 > } image } if PT 10 eq {16 16 1 [ 16 0 0 16 neg
0 16 ] { < EF EF EF EF EF EF 00 00 FE FE FE FE FE FE00 00 EF EF EF EF EF EF
00 00 FE FE FE FE FE FE 00 00 > } image } if PT 11 eq { 16 16 1 [ 16 0 0 16
neg 0 16 ] { < F7 F7 B6 B6 D5 D5 E3 E3 D5 D5 B6 B6 F7 F7 FF FF 7F 7F 6B 6B 5D
5D 3E 3E 5D 5D 6B 6B 7F 7F FF FF > } image } if PT 12 eq { 16 16 1 [ 16 0 0
16 neg 0 16 ] { < E3 E3 DD DD BE BE BE BE BE BE DD DD E3 E3 FF FF 3E 3E DD DD
EB EB EB EB EB EB DD DD 3E 3E FF FF > } image } if PT 13 eq { 16 16 1 [ 16 0
0 16 neg 0 16 ] { < FE FE 7D 7D BB BB D7 D7 EF EF D7D7 BB BB 7D 7D FE FE 7D
7D BB BB D7 D7 EF EF D7 D7 BB BB 7D 7D > } image } if PT 14 eq { 16 16 1 [ 16
0 0 16 neg 0 16 ] { < 00 00 EE EF EE EF EE EF 0E E0 EE EE EE EE EE EE 00 EE
FE EE FE EE FE EE 00 00 FE EF FE EF FE EF > } image } if PT 15 eq { 16 16 1 [
16 0 0 16 neg 0 16 ] { < DD DD AA AA DD DD FF FF 77 77 AA AA 77 77 FF FF DD
DD AA AA DD DD FF FF 77 77 AA AA 77 77 FF FF > } image } if PT 16 eq { 16 16
1 [ 16 0 0 16 neg 0 16 ] { < F1 F1 EE EE 1F 1F FF FFF1 F1 EE EE 1F 1F FF FF
F1 F1 EE EE 1F 1F FF FF F1 F1 EE EE 1F 1F FF FF > } image } if PT 17 eq { 16
16 1 [ 16 0 0 16 neg 0 16 ] { < EE EE DD DD BB BB FFFF EE EE DD DD BB BB FF
FF EE EE DD DD BB BB FF FF EE EE DD DD BB BB FF FF >} image } if PT 18 eq {
16 16 1 [ 16 0 0 16 neg 0 16 ] { < BB BB DD DD EE EEFF FF BB BB DD DD EE EE
FF FF BB BB DD DD EE EE FF FF BB BB DD DD EE EE FF FF > } image } if PT 19 eq
{ 16 16 1 [ 16 0 0 16 neg 0 16 ] { < 1F FC 67 F3 7B EF BD DE BD DE DE BD E6
B3 F8 0F E6 B3 DE BD BD DE BD DE 7B EF 67 F3 1F FC 7F FF > } image } if PT
20 eq { 16 16 1 [ 16 0 0 16 neg 0 16 ] { < DD DD EE EE EE EE EE EE DD DD BB
BB BB BB BB BB DD DD EE EE EE EE EE EE DD DD BB BB BB BB BB BB > } image }
if PT 21 eq { 16 16 1 [ 16 0 0 16 neg 0 16 ] { < 0E 0E EF EF EF EF EF EF E0
E0 FE FE FE FE FE FE 0E 0E EF EF EF EF EF EF E0 E0 FE FE FE FE FE FE > }
image } if PT 22 eq { 16 16 1 [ 16 0 0 16 neg 0 16 ]{ < 70 70 F7 F7 F7 F7 F7
F7 07 07 7F 7F 7F 7F 7F 7F 70 70 F7 F7 F7 F7 F7 F7 07 07 7F 7F 7F 7F 7F 7F >
} image } if PT 23 eq { 16 16 1 [ 16 0 0 16 neg 0 16] { < AA AA 55 55 A9 A9
D1 D1 E1 E1 D1 D1 A9 A9 55 55 AA AA 55 55 A9 A9 D1 D1 E1 E1 D1 D1 A9 A9 55 55
> } image } if PT 24 eq { 16 16 1 [ 16 0 0 16 neg 0 16 ] { < FF FE FF FC EA
A8 D5 54 EA A8 D5 54 E8 28 D4 54 E8 E8 D4 D4 E8 EA 54 D5 A8 EA 54 D5 00 C0 00
80 > } image } if PT 25 eq { 16 16 1 [ 16 0 0 16 neg0 16 ] { < FF FE FF FC
FF F8 FF F0 F0 00 F0 00 F0 20 F0 60 F0 E0 F1 E0 F3 E0 F0 00 E0 00 C0 00 80 00
00 00 > } image } if gr } def /FA { /PT exch def gsave clip 0 0 translate 1 1
54 { 1 sub 47.2 mul /Xcurr exch def 1 1 74 { 1 sub 47.2 mul /Ycurr exch def
gsave Xcurr Ycurr translate PT DP gr } for } for gr } def
/reencdict 24 dict def /ReEncode {reencdict begin /nco&na exch def
/nfnam exch def /basefontname exch def /basefontdict basefontname findfont def
/newfont basefontdict maxlength dict def basefontdict {exch dup /FID ne
{dup /Encoding eq {exch dup length array copy newfont 3 1 roll put} {exch
newfont 3 1 roll put} ifelse} {pop pop} ifelse } forall newfont
/FontName nfnam put nco&na aload pop nco&na length 2 idiv {newfont
/Encoding get 3 1 roll put} repeat nfnam newfont definefont pop end } def
/accvec [ 176 /agrave 181 /Agrave 190 /acircumflex 192 /Acircumflex
201 /adieresis 204 /Adieresis 209 /ccedilla 210 /Ccedilla 211 /eacute
212 /Eacute 213 /egrave 214 /Egrave 215 /ecircumflex 216 /Ecircumflex
217 /edieresis 218 /Edieresis 219 /icircumflex 220 /Icircumflex
221 /idieresis 222 /Idieresis 223 /ntilde 224 /Ntilde 226 /ocircumflex
228 /Ocircumflex 229 /odieresis 230 /Odieresis 231 /ucircumflex 236 /Ucircumflex
237 /udieresis 238 /Udieresis 239 /aring 242 /Aring 243 /ydieresis
244 /Ydieresis 246 /aacute 247 /Aacute 252 /ugrave 253 /Ugrave] def
/Times-Roman /Times-Roman accvec ReEncode
/Times-Italic /Times-Italic accvec ReEncode
/Times-Bold /Times-Bold accvec ReEncode
/Times-BoldItalic /Times-BoldItalic accvec ReEncode
/Helvetica /Helvetica accvec ReEncode
/Helvetica-Oblique /Helvetica-Oblique accvec ReEncode
/Helvetica-Bold /Helvetica-Bold accvec ReEncode
/Helvetica-BoldOblique /Helvetica-BoldOblique  accvec ReEncode
/Courier /Courier accvec ReEncode
/Courier-Oblique /Courier-Oblique accvec ReEncode
/Courier-Bold /Courier-Bold accvec ReEncode
/Courier-BoldOblique /Courier-BoldOblique accvec ReEncode
/oshow {gsave [] 0 sd true charpath stroke gr} def
/stwn { /fs exch def /fn exch def /text exch def fn findfont fs sf
 text sw pop xs add /xs exch def} def
/stwb { /fs exch def /fn exch def /nbas exch def /textf exch def
textf length /tlen exch def nbas tlen gt {/nbas tlendef} if
fn findfont fs sf textf dup length nbas sub nbas getinterval sw
pop neg xs add /xs exch def} def
/accspe [ 65 /plusminus 66 /bar 67 /existential 68 /universal
69 /exclam 70 /numbersign 71 /greater 72 /question 73 /integral
74 /colon 75 /semicolon 76 /less 77 /bracketleft 78 /bracketright
79 /greaterequal 80 /braceleft 81 /braceright 82 /radical
83 /spade 84 /heart 85 /diamond 86 /club 87 /lessequal
88 /multiply 89 /percent 90 /infinity 48 /circlemultiply 49 /circleplus
50 /emptyset 51 /lozenge 52 /bullet 53 /arrowright 54 /arrowup
55 /arrowleft 56 /arrowdown 57 /arrowboth 48 /degree 44 /comma 43 /plus
 45 /angle 42 /angleleft 47 /divide 61 /notequal 40 /equivalence 41 /second
 97 /approxequal 98 /congruent 99 /perpendicular 100 /partialdiff 101 /florin
 102 /intersection 103 /union 104 /propersuperset 105 /reflexsuperset
 106 /notsubset 107 /propersubset 108 /reflexsubset 109 /element 110 /notelement
 111 /gradient 112 /logicaland 113 /logicalor 114 /arrowdblboth
 115 /arrowdblleft 116 /arrowdblup 117 /arrowdblright 118 /arrowdbldown
 119 /ampersand 120 /omega1 121 /similar 122 /aleph ] def
/Symbol /Special accspe ReEncode
gsave .25 .25 scale 
%%EndProlog
 gsave 0 0 t black [] 0 sd 1 lw 1473 1813 227 170 bl 1473 1813 227 170 C 227 170
 m 73 X 3 Y 19 X -3 Y 18 X 3 Y 19 X 11 Y 18 X -14 Y 18 X 5 Y 37 X 14 Y 19 X 6 Y
 18 X 19 Y 18 X 25 Y 19 X 35 Y 18 X 3 Y 19 X 132 Y 18 X 140 Y 19 X 170 Y 18 X
 236 Y 18 X 286 Y 19 X 195 Y 18 X 222 Y 19 X 198 Y 18 X -129 Y 18 X 129 Y 19 X
 58 Y 18 X -291 Y 19 X 65 Y 18 X -109 Y 19 X -215 Y 18 X -98 Y 18 X -72 Y 19 X
 -5 Y 18 X -88 Y 19 X -107 Y 18 X -88 Y 18 X -61 Y 19 X -115 Y 18 X 74 Y 19 X
 -112 Y 18 X 52 Y 19 X -137 Y 18 X -17 Y 18 X -38 Y 19 X -14 Y 18 X -22 Y 19 X
 -38 Y 18 X -50 Y 19 X 6 Y 18 X -83 Y 18 X -24 Y 19 X 32 Y 18 X -24 Y 37 X -33 Y
 18 X -8 Y 19 X -20 Y 18 X -2 Y 19 X -36 Y 18 X 22 Y 19 X -25 Y 36 X -27 Y 19 X
 19 Y 18 X -8 Y 37 X -6 Y 18 X -19 Y 19 X 3 Y 18 X 13 Y 19 X -16 Y 18 X -6 Y 19
 X 6 Y 18 X -11 Y 18 X 11 Y 19 X -19 Y 18 X 16 Y 19 X -11 Y 18 X -8 Y s NC 227
 170 m 1813 Y s 261 170 m -34 X s 244 234 m -17 X s 244 298 m -17 X s 244 361 m
 -17 X s 244 425 m -17 X s 261 489 m -34 X s 244 553 m -17 X s 244 616 m -17 X s
 244 680 m -17 X s 244 744 m -17 X s 261 808 m -34 X s 244 872 m -17 X s 244 935
 m -17 X s 244 999 m -17 X s 244 1063 m -17 X s 261 1127 m -34 X s 244 1191 m
 -17 X s 244 1254 m -17 X s 244 1318 m -17 X s 244 1382 m -17 X s 261 1446 m -34
 X s 244 1509 m -17 X s 244 1573 m -17 X s 244 1637 m -17 X s 244 1701 m -17 X s
 261 1765 m -34 X s 261 1765 m -34 X s 244 1828 m -17 X s 244 1892 m -17 X s 244
 1956 m -17 X s 165 186 m -5 -2 d -3 -4 d -1 -8 d -4 Y 1 -8 d 3 -4 d 5 -2 d 3 X
 4 2 d 3 4 d 2 8 d 4 Y -2 8 d -3 4 d -4 2 d -3 X cl s 89 505 m -4 -2 d -3 -4 d
 -2 -8 d -4 Y 2 -8 d 3 -4 d 4 -2 d 3 X 5 2 d 3 4 d 1 8 d 4 Y -1 8 d -3 4 d -5 2
 d -3 X cl s 113 476 m -1 -1 d 1 -2 d 2 2 d -2 1 d cl s 134 505 m -4 -2 d -3 -4
 d -2 -8 d -4 Y 2 -8 d 3 -4 d 4 -2 d 4 X 4 2 d 3 4 d 2 8 d 4 Y -2 8 d -3 4 d -4
 2 d -4 X cl s 160 499 m 3 1 d 5 5 d -32 Y s 89 824 m -4 -2 d -3 -4 d -2 -8 d -4
 Y 2 -8 d 3 -5 d 4 -1 d 3 X 5 1 d 3 5 d 1 8 d 4 Y -1 8 d -3 4 d -5 2 d -3 X cl s
 113 795 m -1 -2 d 1 -1 d 2 1 d -2 2 d cl s 134 824 m -4 -2 d -3 -4 d -2 -8 d -4
 Y 2 -8 d 3 -5 d 4 -1 d 4 X 4 1 d 3 5 d 2 8 d 4 Y -2 8 d -3 4 d -4 2 d -4 X cl s
 157 816 m 2 Y 2 3 d 1 1 d 3 2 d 6 X 3 -2 d 2 -1 d 1 -3 d -3 Y -1 -3 d -3 -5 d
 -15 -15 d 21 X s 89 1143 m -4 -2 d -3 -4 d -2 -8 d -4 Y 2 -8 d 3 -5 d 4 -1 d 3
 X 5 1 d 3 5 d 1 8 d 4 Y -1 8 d -3 4 d -5 2 d -3 X cl s 113 1114 m -1 -2 d 1 -1
 d 2 1 d -2 2 d cl s 134 1143 m -4 -2 d -3 -4 d -2 -8 d -4 Y 2 -8 d 3 -5 d 4 -1
 d 4 X 4 1 d 3 5 d 2 8 d 4 Y -2 8 d -3 4 d -4 2 d -4 X cl s 159 1143 m 16 X -9
 -12 d 5 X 3 -2 d 1 -1 d 2 -5 d -3 Y -2 -5 d -3 -3 d -4 -1 d -5 X -4 1 d -2 2 d
 -1 3 d s 89 1462 m -4 -2 d -3 -4 d -2 -8 d -5 Y 2 -7 d 3 -5 d 4 -1 d 3 X 5 1 d
 3 5 d 1 7 d 5 Y -1 8 d -3 4 d -5 2 d -3 X cl s 113 1433 m -1 -2 d 1 -1 d 2 1 d
 -2 2 d cl s 134 1462 m -4 -2 d -3 -4 d -2 -8 d -5 Y 2 -7 d 3 -5 d 4 -1 d 4 X 4
 1 d 3 5 d 2 7 d 5 Y -2 8 d -3 4 d -4 2 d -4 X cl s 171 1462 m -15 -22 d 22 X s
 171 1462 m -32 Y s 89 1780 m -4 -1 d -3 -5 d -2 -7 d -5 Y 2 -7 d 3 -5 d 4 -1 d
 3 X 5 1 d 3 5 d 1 7 d 5 Y -1 7 d -3 5 d -5 1 d -3 X cl s 113 1752 m -1 -2 d 1
 -1 d 2 1 d -2 2 d cl s 134 1780 m -4 -1 d -3 -5 d -2 -7 d -5 Y 2 -7 d 3 -5 d 4
 -1 d 4 X 4 1 d 3 5 d 2 7 d 5 Y -2 7 d -3 5 d -4 1 d -4 X cl s 174 1780 m -15 X
 -2 -13 d 2 1 d 4 2 d 5 X 4 -2 d 3 -3 d 2 -4 d -3 Y -2 -5 d -3 -3 d -4 -1 d -5 X
 -4 1 d -2 2 d -1 3 d s 227 170 m 1473 X s 227 204 m -34 Y s 264 187 m -17 Y s
 300 187 m -17 Y s 337 187 m -17 Y s 374 187 m -17 Y s 411 204 m -34 Y s 448 187
 m -17 Y s 484 187 m -17 Y s 521 187 m -17 Y s 558 187 m -17 Y s 595 204 m -34 Y
 s 632 187 m -17 Y s 669 187 m -17 Y s 705 187 m -17 Y s 742 187 m -17 Y s 779
 204 m -34 Y s 816 187 m -17 Y s 853 187 m -17 Y s 890 187 m -17 Y s 926 187 m
 -17 Y s 963 204 m -34 Y s 1000 187 m -17 Y s 1037 187 m -17 Y s 1074 187 m -17
 Y s 1111 187 m -17 Y s 1147 204 m -34 Y s 1184 187 m -17 Y s 1221 187 m -17 Y s
 1258 187 m -17 Y s 1295 187 m -17 Y s 1332 204 m -34 Y s 1368 187 m -17 Y s
 1405 187 m -17 Y s 1442 187 m -17 Y s 1479 187 m -17 Y s 1516 204 m -34 Y s
 1553 187 m -17 Y s 1590 187 m -17 Y s 1626 187 m -17 Y s 1663 187 m -17 Y s
 1700 204 m -34 Y s 227 204 m -34 Y s 175 129 m 27 X s 222 147 m -4 -1 d -3 -5 d
 -2 -7 d -5 Y 2 -7 d 3 -5 d 4 -1 d 3 X 5 1 d 3 5 d 1 7 d 5 Y -1 7 d -3 5 d -5 1
 d -3 X cl s 246 119 m -1 -2 d 1 -1 d 2 1 d -2 2 d cl s 263 141 m 3 2 d 4 4 d
 -31 Y s 344 129 m 28 X s 391 147 m -4 -1 d -3 -5 d -2 -7 d -5 Y 2 -7 d 3 -5 d 4
 -1 d 3 X 5 1 d 3 5 d 1 7 d 5 Y -1 7 d -3 5 d -5 1 d -3 X cl s 415 119 m -1 -2 d
 1 -1 d 2 1 d -2 2 d cl s 437 147 m -5 -1 d -3 -5 d -2 -7 d -5 Y 2 -7 d 3 -5 d 5
 -1 d 3 X 4 1 d 3 5 d 2 7 d 5 Y -2 7 d -3 5 d -4 1 d -3 X cl s 476 147 m -15 X
 -2 -13 d 2 1 d 4 2 d 5 X 4 -2 d 3 -3 d 2 -4 d -3 Y -2 -5 d -3 -3 d -4 -1 d -5 X
 -4 1 d -2 2 d -1 3 d s 593 147 m -4 -1 d -3 -5 d -2 -7 d -5 Y 2 -7 d 3 -5 d 4
 -1 d 4 X 4 1 d 3 5 d 2 7 d 5 Y -2 7 d -3 5 d -4 1 d -4 X cl s 740 147 m -5 -1 d
 -3 -5 d -1 -7 d -5 Y 1 -7 d 3 -5 d 5 -1 d 3 X 4 1 d 3 5 d 2 7 d 5 Y -2 7 d -3 5
 d -4 1 d -3 X cl s 764 119 m -1 -2 d 1 -1 d 2 1 d -2 2 d cl s 785 147 m -4 -1 d
 -3 -5 d -2 -7 d -5 Y 2 -7 d 3 -5 d 4 -1 d 3 X 5 1 d 3 5 d 1 7 d 5 Y -1 7 d -3 5
 d -5 1 d -3 X cl s 824 147 m -15 X -1 -13 d 1 1 d 5 2 d 4 X 5 -2 d 3 -3 d 2 -4
 d -3 Y -2 -5 d -3 -3 d -5 -1 d -4 X -5 1 d -1 2 d -2 3 d s 939 147 m -4 -1 d -3
 -5 d -2 -7 d -5 Y 2 -7 d 3 -5 d 4 -1 d 3 X 5 1 d 3 5 d 1 7 d 5 Y -1 7 d -3 5 d
 -5 1 d -3 X cl s 963 119 m -1 -2 d 1 -1 d 2 1 d -2 2 d cl s 980 141 m 3 2 d 5 4
 d -31 Y s 1108 147 m -4 -1 d -3 -5 d -2 -7 d -5 Y 2 -7 d 3 -5 d 4 -1 d 3 X 5 1
 d 3 5 d 1 7 d 5 Y -1 7 d -3 5 d -5 1 d -3 X cl s 1132 119 m -1 -2 d 1 -1 d 2 1
 d -2 2 d cl s 1149 141 m 3 2 d 5 4 d -31 Y s 1193 147 m -15 X -2 -13 d 2 1 d 4
 2 d 5 X 4 -2 d 3 -3 d 2 -4 d -3 Y -2 -5 d -3 -3 d -4 -1 d -5 X -4 1 d -2 2 d -1
 3 d s 1307 147 m -4 -1 d -3 -5 d -2 -7 d -5 Y 2 -7 d 3 -5 d 4 -1 d 4 X 4 1 d 3
 5 d 2 7 d 5 Y -2 7 d -3 5 d -4 1 d -4 X cl s 1332 119 m -2 -2 d 2 -1 d 1 1 d -1
 2 d cl s 1345 140 m 1 Y 2 3 d 1 2 d 3 1 d 6 X 3 -1 d 2 -2 d 1 -3 d -3 Y -1 -3 d
 -3 -4 d -15 -15 d 21 X s 1477 147 m -5 -1 d -3 -5 d -2 -7 d -5 Y 2 -7 d 3 -5 d
 5 -1 d 3 X 4 1 d 3 5 d 2 7 d 5 Y -2 7 d -3 5 d -4 1 d -3 X cl s 1501 119 m -2
 -2 d 2 -1 d 1 1 d -1 2 d cl s 1514 140 m 1 Y 2 3 d 1 2 d 3 1 d 6 X 3 -1 d 2 -2
 d 1 -3 d -3 Y -1 -3 d -3 -4 d -15 -15 d 21 X s 1561 147 m -15 X -1 -13 d 1 1 d
 5 2 d 4 X 5 -2 d 3 -3 d 1 -4 d -3 Y -1 -5 d -3 -3 d -5 -1 d -4 X -5 1 d -1 2 d
 -2 3 d s 1676 147 m -5 -1 d -3 -5 d -1 -7 d -5 Y 1 -7 d 3 -5 d 5 -1 d 3 X 4 1 d
 3 5 d 2 7 d 5 Y -2 7 d -3 5 d -4 1 d -3 X cl s 1700 119 m -2 -2 d 2 -1 d 2 1 d
 -2 2 d cl s 1715 147 m 17 X -9 -12 d 4 X 3 -1 d 2 -2 d 1 -4 d -3 Y -1 -5 d -3
 -3 d -5 -1 d -4 X -5 1 d -1 2 d -2 3 d s 1473 1813 227 170 C [12 12] 0 sd 227
 170 m 3 Y 18 X -3 Y 74 X 3 Y 18 X -3 Y 37 X 6 Y 18 X 2 Y 19 X 3 Y 18 X 11 Y 19
 X 8 Y 18 X 17 Y 18 X 44 Y 19 X 22 Y 18 X 53 Y 19 X 118 Y 18 X 166 Y 19 X 287 Y
 18 X 193 Y 18 X 171 Y 19 X 185 Y 18 X 141 Y 19 X 160 Y 18 X 116 Y 18 X -64 Y 19
 X -71 Y 18 X -136 Y 19 X 14 Y 18 X -135 Y 19 X -3 Y 18 X -240 Y 18 X 22 Y 19 X
 -135 Y 18 X -69 Y 19 X -61 Y 18 X -33 Y 18 X -58 Y 19 X -124 Y 18 X -69 Y 19 X
 -52 Y 18 X -6 Y 19 X 55 Y 18 X -113 Y 18 X -58 Y 19 X -16 Y 18 X -69 Y 19 X -20
 Y 18 X -14 Y 19 X -49 Y 18 X 47 Y 18 X -67 Y 19 X 6 Y 18 X -55 Y 19 X 16 Y 18 X
 -22 Y 18 X 3 Y 19 X -30 Y 18 X -3 Y 19 X -8 Y 18 X -34 Y 19 X -2 Y 18 X 33 Y 18
 X -22 Y 19 X -44 Y 18 X 2 Y 19 X 47 Y 18 X -19 Y 18 X -22 Y 19 X 5 Y 18 X -5 Y
 19 X -25 Y 18 X 14 Y 19 X 3 Y 18 X -3 Y 18 X -6 Y 19 X 11 Y 18 X -16 Y 19 X 5 Y
 18 X -8 Y s 1757 2040 0 0 C [] 0 sd 1068 75 m -3 3 d -4 1 d -6 X -5 -1 d -3 -3
 d -3 Y 2 -3 d 1 -2 d 3 -1 d 9 -3 d 3 -2 d 2 -1 d 1 -3 d -5 Y -3 -3 d -4 -1 d -6
 X -5 1 d -3 3 d s 1079 69 m -15 Y 1 -5 d 3 -1 d 5 X 3 1 d 5 5 d s 1096 69 m -21
 Y s 1108 69 m -21 Y s 1108 63 m 4 4 d 3 2 d 5 X 3 -2 d 1 -4 d -15 Y s 1124 63 m
 5 4 d 3 2 d 4 X 3 -2 d 2 -4 d -15 Y s 1164 85 m -3 -3 d -3 -4 d -4 -6 d -1 -8 d
 -6 Y 1 -7 d 4 -6 d 3 -5 d 3 -3 d s 1174 79 m -31 Y s 1174 79 m 14 X 4 -1 d 2 -2
 d 1 -3 d -4 Y -1 -3 d -2 -2 d -4 -1 d -14 X s 1207 79 m -25 Y 2 -5 d 3 -1 d 3 X
 s 1203 69 m 10 X s 1222 85 m 4 -3 d 3 -4 d 3 -6 d 1 -8 d -6 Y -1 -7 d -3 -6 d
 -3 -5 d -4 -3 d s 1244 69 m 6 -21 d s 1256 69 m -6 -21 d s 1256 69 m 6 -21 d s
 1268 69 m -6 -21 d s 1284 69 m -3 -2 d -3 -3 d -1 -4 d -3 Y 1 -5 d 3 -3 d 3 -1
 d 5 X 3 1 d 3 3 d 2 5 d 3 Y -2 4 d -3 3 d -3 2 d -5 X cl s 1307 69 m -21 Y s
 1307 60 m 2 4 d 3 3 d 3 2 d 4 X s 1342 64 m -2 3 d -4 2 d -5 X -4 -2 d -2 -3 d
 2 -3 d 3 -1 d 7 -2 d 3 -1 d 2 -3 d -2 Y -2 -3 d -4 -1 d -5 X -4 1 d -2 3 d s
 1354 79 m -25 Y 1 -5 d 3 -1 d 4 X s 1349 69 m 11 X s 1371 61 m 27 X s 1430 75 m
 -4 3 d -4 1 d -6 X -5 -1 d -3 -3 d -3 Y 2 -3 d 1 -2 d 3 -1 d 9 -3 d 3 -2 d 2 -1
 d 2 -3 d -5 Y -4 -3 d -4 -1 d -6 X -5 1 d -3 3 d s 1440 69 m -15 Y 2 -5 d 3 -1
 d 4 X 3 1 d 5 5 d s 1457 69 m -21 Y s 1469 69 m -21 Y s 1469 63 m 4 4 d 3 2 d 5
 X 3 -2 d 1 -4 d -15 Y s 1485 63 m 5 4 d 3 2 d 5 X 3 -2 d 1 -4 d -15 Y s 1525 85
 m -3 -3 d -3 -4 d -3 -6 d -2 -8 d -6 Y 2 -7 d 3 -6 d 3 -5 d 3 -3 d s 1535 79 m
 -31 Y s 1535 79 m 14 X 4 -1 d 2 -2 d 1 -3 d -4 Y -1 -3 d -2 -2 d -4 -1 d -14 X
 s 1569 79 m -25 Y 1 -5 d 3 -1 d 3 X s 1564 69 m 11 X s 1584 85 m 3 -3 d 3 -4 d
 3 -6 d 1 -8 d -6 Y -1 -7 d -3 -6 d -3 -5 d -3 -3 d s 1606 79 m -31 Y s 1606 64
 m 3 3 d 3 2 d 5 X 3 -2 d 3 -3 d 1 -4 d -3 Y -1 -5 d -3 -3 d -3 -1 d -5 X -3 1 d
 -3 3 d s 1634 60 m 18 X 3 Y -2 3 d -1 1 d -3 2 d -5 X -3 -2 d -3 -3 d -1 -4 d
 -3 Y 1 -5 d 3 -3 d 3 -1 d 5 X 3 1 d 3 3 d s 1677 64 m -1 3 d -5 2 d -4 X -5 -2
 d -1 -3 d 1 -3 d 3 -1 d 8 -2 d 3 -1 d 1 -3 d -2 Y -1 -3 d -5 -1 d -4 X -5 1 d
 -1 3 d s 1689 79 m -25 Y 2 -5 d 3 -1 d 3 X s 1685 69 m 10 X s 14 1578 m 31 X s
 14 1578 m 31 22 d s 14 1600 m 31 X s 24 1612 m 15 X 5 1 d 1 3 d 5 Y -1 3 d -5 4
 d s 24 1628 m 21 X s 24 1640 m 21 X s 30 1640 m -4 5 d -2 3 d 4 Y 2 3 d 4 2 d
 15 X s 30 1657 m -4 4 d -2 3 d 5 Y 2 3 d 4 2 d 15 X s 14 1686 m 31 X s 29 1686
 m -3 3 d -2 3 d 4 Y 2 3 d 3 3 d 4 2 d 3 X 5 -2 d 3 -3 d 1 -3 d -4 Y -1 -3 d -3
 -3 d s 33 1713 m 18 Y -3 X -3 -2 d -1 -1 d -2 -3 d -5 Y 2 -3 d 3 -3 d 4 -1 d 3
 X 5 1 d 3 3 d 1 3 d 5 Y -1 3 d -3 3 d s 24 1742 m 21 X s 33 1742 m -4 1 d -3 3
 d -2 3 d 5 Y s 24 1782 m 2 -3 d 3 -3 d 4 -1 d 3 X 5 1 d 3 3 d 1 3 d 5 Y -1 3 d
 -3 3 d -5 1 d -3 X -4 -1 d -3 -3 d -2 -3 d -5 Y cl s 14 1814 m -3 Y 1 -3 d 5 -1
 d 25 X s 24 1802 m 11 Y s 33 1837 m 18 Y -3 X -3 -2 d -1 -1 d -2 -3 d -5 Y 2 -3
 d 3 -3 d 4 -1 d 3 X 5 1 d 3 3 d 1 3 d 5 Y -1 3 d -3 3 d s 24 1862 m 21 10 d s
 24 1881 m 21 -9 d s 33 1888 m 18 Y -3 X -3 -1 d -1 -2 d -2 -3 d -4 Y 2 -3 d 3
 -3 d 4 -2 d 3 X 5 2 d 3 3 d 1 3 d 4 Y -1 3 d -3 3 d s 24 1917 m 21 X s 30 1917
 m -4 4 d -2 3 d 5 Y 2 3 d 4 1 d 15 X s 14 1947 m 25 X 5 2 d 1 3 d 3 Y s 24 1943
 m 10 Y s 29 1979 m -3 -2 d -2 -4 d -5 Y 2 -4 d 3 -2 d 3 2 d 1 3 d 2 7 d 1 3 d 3
 2 d 2 X 3 -2 d 1 -4 d -5 Y -1 -4 d -3 -2 d s 1473 1813 227 170 C
gr gr showpage
end
%%EOF
\end{filecontents}

\begin{filecontents}{fig2c.eps}
%!PS-Adobe-2.0 EPSF-2.0
%%BoundingBox: 0 0 439 510
%%Title: /home/nimis/emanuel/runs/out8a.eps
%%Creator: HIGZ Version 1.22/07
%%CreationDate: 96/05/08   17.18
%%EndComments
80 dict begin
/s {stroke} def /l {lineto} def /m {moveto} def /t {translate} def
/sw {stringwidth} def /r {rotate} def /rl {roll}  def /R {repeat} def
/d {rlineto} def /rm {rmoveto} def /gr {grestore} def /f {eofill} def
/c {setrgbcolor} def /lw {setlinewidth} def /sd {setdash} def
/cl {closepath} def /sf {scalefont setfont} def /black {0 setgray} def
/box {m dup 0 exch d exch 0 d 0 exch neg d cl} def
/NC{systemdict begin initclip end}def/C{NC box clip newpath}def
/bl {box s} def /bf {box f} def /Y { 0 exch d} def /X { 0 d} def 
/mp {newpath /y exch def /x exch def} def
/side {[w .77 mul w .23 mul] .385 w mul sd w 0 l currentpoint t -144 r} def
/mr {mp x y w2 0 360 arc} def /m24 {mr s} def /m20 {mr f} def
/mb {mp x y w2 add m w2 neg 0 d 0 w neg d w 0 d 0 w d cl} def
/mt {mp x y w2 add m w2 neg w neg d w 0 d cl} def
/m21 {mb f} def /m25 {mb s} def /m22 {mt f} def /m26{mt s} def
/m23 {mp x y w2 sub m w2 w d w neg 0 d cl f} def
/m27 {mp x y w2 add m w3 neg w2 neg d w3 w2 neg d w3 w2 d cl s} def
/m28 {mp x w2 sub y w2 sub w3 add m w3 0 d 0 w3 neg d w3 0 d 0 w3 d w3 0 d
 0 w3 d w3 neg 0 d 0 w3 d w3 neg 0 d
 0 w3 neg d w3 neg 0 d cl s } def
/m29 {mp gsave x w2 sub y w2 add w3 sub m currentpoint t
 4 {side} repeat cl fill gr} def
/m30 {mp gsave x w2 sub y w2 add w3 sub m currentpoint t
 5 {side} repeat s gr} def
/m31 {mp x y w2 sub m 0 w d x w2 sub y m w 0 d
 x w2 sub y w2 add m w w neg d x w2 sub y w2
 sub m w w d s} def
/m2 {mp x y w2 sub m 0 w d x w2 sub y m w 0 d s} def
/m5 {mp x w2 sub y w2 sub m w w d x w2 sub y w2 add m w w neg d s} def
/DP {/PT exch def gsave 47.2 47.2 scale PT 1 eq { 1616 1 [ 16 0 0 16 neg 0 16
] { < AA AA 55 55 AA AA 55 55 AA AA 55 55 AA AA 55 55 AA AA 55 55 AA AA 55 55
AA AA 55 55 AA AA 55 55 > } image } if PT 2 eq { 16 16 1 [ 16 0 0 16 neg 0 16
] { < BB BB EE EE BB BB EE EE BB BB EE EE BB BB EE EE BB BB EE EE BB BB EE EE
BB BB EE EE BB BB EE EE > } image } if PT 3 eq { 16 16 1 [ 16 0 0 16 neg 0 16
] { < FF FF BB BB FF FF EE EE FF FF BB BB FF FF EE EE FF FF BB BB FF FF EE EE
FF FF BB BB FF FF EE EE > } image } if PT 4 eq { 16 16 1 [ 16 0 0 16 neg 0 16
] { < DF DF BF BF 7F 7F FE FE FD FD FB FB F7 F7 EF EF DF DF BF BF 7F 7F FE FE
FD FD FB FB F7 F7 EF EF > } image } if PT 5 eq { 16 16 1 [ 16 0 0 16 neg 0 16
] { < 7F 7F BF B F DF DF EF EF F7 F7 FB FB FD FD FE FE 7F 7F BF BF DF DF EF
EF F7 F7 FB FB FD FD FE FE > } image } if PT 6 eq { 16 16 1 [ 16 0 0 16 neg 0
16 ] { < BB BB BB BB BB BB BB BB BB BB BB BB BB BB BB BB BB BB BB BB BB BB BB
BB BB BB BB BB BB BB BB BB > } image } if PT 7 eq { 16 16 1 [ 16 0 0 16 neg 0
16 ] { < FF FF FF FF FF FF 00 00 FF FF FF FF FF FF 00 00 FF FF FF FF FF FF 00
00 FF FF FF FF FF FF 00 00 > } image } if PT 8 eq { 16 16 1 [ 16 0 0 16 neg 0
16 ] { < EE EE 47 47 83 83 C5 C5 EE EE 5C 5C 38 38 74 74 EE EE 47 47 83 83 C5
C5 EE EE 5C 5C 38 38 74 74 > } image } if PT 9 eq { 16 16 1 [ 16 0 0 16 neg 0
16 ] { < EF EF EF EF D7 D7 38 38 FE FE FE FE 7D 7D 83 83 EF EF EF EF D7 D7 38
38 FE FE FE FE 7D 7D 83 83 > } image } if PT 10 eq {16 16 1 [ 16 0 0 16 neg
0 16 ] { < EF EF EF EF EF EF 00 00 FE FE FE FE FE FE00 00 EF EF EF EF EF EF
00 00 FE FE FE FE FE FE 00 00 > } image } if PT 11 eq { 16 16 1 [ 16 0 0 16
neg 0 16 ] { < F7 F7 B6 B6 D5 D5 E3 E3 D5 D5 B6 B6 F7 F7 FF FF 7F 7F 6B 6B 5D
5D 3E 3E 5D 5D 6B 6B 7F 7F FF FF > } image } if PT 12 eq { 16 16 1 [ 16 0 0
16 neg 0 16 ] { < E3 E3 DD DD BE BE BE BE BE BE DD DD E3 E3 FF FF 3E 3E DD DD
EB EB EB EB EB EB DD DD 3E 3E FF FF > } image } if PT 13 eq { 16 16 1 [ 16 0
0 16 neg 0 16 ] { < FE FE 7D 7D BB BB D7 D7 EF EF D7D7 BB BB 7D 7D FE FE 7D
7D BB BB D7 D7 EF EF D7 D7 BB BB 7D 7D > } image } if PT 14 eq { 16 16 1 [ 16
0 0 16 neg 0 16 ] { < 00 00 EE EF EE EF EE EF 0E E0 EE EE EE EE EE EE 00 EE
FE EE FE EE FE EE 00 00 FE EF FE EF FE EF > } image } if PT 15 eq { 16 16 1 [
16 0 0 16 neg 0 16 ] { < DD DD AA AA DD DD FF FF 77 77 AA AA 77 77 FF FF DD
DD AA AA DD DD FF FF 77 77 AA AA 77 77 FF FF > } image } if PT 16 eq { 16 16
1 [ 16 0 0 16 neg 0 16 ] { < F1 F1 EE EE 1F 1F FF FFF1 F1 EE EE 1F 1F FF FF
F1 F1 EE EE 1F 1F FF FF F1 F1 EE EE 1F 1F FF FF > } image } if PT 17 eq { 16
16 1 [ 16 0 0 16 neg 0 16 ] { < EE EE DD DD BB BB FFFF EE EE DD DD BB BB FF
FF EE EE DD DD BB BB FF FF EE EE DD DD BB BB FF FF >} image } if PT 18 eq {
16 16 1 [ 16 0 0 16 neg 0 16 ] { < BB BB DD DD EE EEFF FF BB BB DD DD EE EE
FF FF BB BB DD DD EE EE FF FF BB BB DD DD EE EE FF FF > } image } if PT 19 eq
{ 16 16 1 [ 16 0 0 16 neg 0 16 ] { < 1F FC 67 F3 7B EF BD DE BD DE DE BD E6
B3 F8 0F E6 B3 DE BD BD DE BD DE 7B EF 67 F3 1F FC 7F FF > } image } if PT
20 eq { 16 16 1 [ 16 0 0 16 neg 0 16 ] { < DD DD EE EE EE EE EE EE DD DD BB
BB BB BB BB BB DD DD EE EE EE EE EE EE DD DD BB BB BB BB BB BB > } image }
if PT 21 eq { 16 16 1 [ 16 0 0 16 neg 0 16 ] { < 0E 0E EF EF EF EF EF EF E0
E0 FE FE FE FE FE FE 0E 0E EF EF EF EF EF EF E0 E0 FE FE FE FE FE FE > }
image } if PT 22 eq { 16 16 1 [ 16 0 0 16 neg 0 16 ]{ < 70 70 F7 F7 F7 F7 F7
F7 07 07 7F 7F 7F 7F 7F 7F 70 70 F7 F7 F7 F7 F7 F7 07 07 7F 7F 7F 7F 7F 7F >
} image } if PT 23 eq { 16 16 1 [ 16 0 0 16 neg 0 16] { < AA AA 55 55 A9 A9
D1 D1 E1 E1 D1 D1 A9 A9 55 55 AA AA 55 55 A9 A9 D1 D1 E1 E1 D1 D1 A9 A9 55 55
> } image } if PT 24 eq { 16 16 1 [ 16 0 0 16 neg 0 16 ] { < FF FE FF FC EA
A8 D5 54 EA A8 D5 54 E8 28 D4 54 E8 E8 D4 D4 E8 EA 54 D5 A8 EA 54 D5 00 C0 00
80 > } image } if PT 25 eq { 16 16 1 [ 16 0 0 16 neg0 16 ] { < FF FE FF FC
FF F8 FF F0 F0 00 F0 00 F0 20 F0 60 F0 E0 F1 E0 F3 E0 F0 00 E0 00 C0 00 80 00
00 00 > } image } if gr } def /FA { /PT exch def gsave clip 0 0 translate 1 1
54 { 1 sub 47.2 mul /Xcurr exch def 1 1 74 { 1 sub 47.2 mul /Ycurr exch def
gsave Xcurr Ycurr translate PT DP gr } for } for gr } def
/reencdict 24 dict def /ReEncode {reencdict begin /nco&na exch def
/nfnam exch def /basefontname exch def /basefontdict basefontname findfont def
/newfont basefontdict maxlength dict def basefontdict {exch dup /FID ne
{dup /Encoding eq {exch dup length array copy newfont 3 1 roll put} {exch
newfont 3 1 roll put} ifelse} {pop pop} ifelse } forall newfont
/FontName nfnam put nco&na aload pop nco&na length 2 idiv {newfont
/Encoding get 3 1 roll put} repeat nfnam newfont definefont pop end } def
/accvec [ 176 /agrave 181 /Agrave 190 /acircumflex 192 /Acircumflex
201 /adieresis 204 /Adieresis 209 /ccedilla 210 /Ccedilla 211 /eacute
212 /Eacute 213 /egrave 214 /Egrave 215 /ecircumflex 216 /Ecircumflex
217 /edieresis 218 /Edieresis 219 /icircumflex 220 /Icircumflex
221 /idieresis 222 /Idieresis 223 /ntilde 224 /Ntilde 226 /ocircumflex
228 /Ocircumflex 229 /odieresis 230 /Odieresis 231 /ucircumflex 236 /Ucircumflex
237 /udieresis 238 /Udieresis 239 /aring 242 /Aring 243 /ydieresis
244 /Ydieresis 246 /aacute 247 /Aacute 252 /ugrave 253 /Ugrave] def
/Times-Roman /Times-Roman accvec ReEncode
/Times-Italic /Times-Italic accvec ReEncode
/Times-Bold /Times-Bold accvec ReEncode
/Times-BoldItalic /Times-BoldItalic accvec ReEncode
/Helvetica /Helvetica accvec ReEncode
/Helvetica-Oblique /Helvetica-Oblique accvec ReEncode
/Helvetica-Bold /Helvetica-Bold accvec ReEncode
/Helvetica-BoldOblique /Helvetica-BoldOblique  accvec ReEncode
/Courier /Courier accvec ReEncode
/Courier-Oblique /Courier-Oblique accvec ReEncode
/Courier-Bold /Courier-Bold accvec ReEncode
/Courier-BoldOblique /Courier-BoldOblique accvec ReEncode
/oshow {gsave [] 0 sd true charpath stroke gr} def
/stwn { /fs exch def /fn exch def /text exch def fn findfont fs sf
 text sw pop xs add /xs exch def} def
/stwb { /fs exch def /fn exch def /nbas exch def /textf exch def
textf length /tlen exch def nbas tlen gt {/nbas tlendef} if
fn findfont fs sf textf dup length nbas sub nbas getinterval sw
pop neg xs add /xs exch def} def
/accspe [ 65 /plusminus 66 /bar 67 /existential 68 /universal
69 /exclam 70 /numbersign 71 /greater 72 /question 73 /integral
74 /colon 75 /semicolon 76 /less 77 /bracketleft 78 /bracketright
79 /greaterequal 80 /braceleft 81 /braceright 82 /radical
83 /spade 84 /heart 85 /diamond 86 /club 87 /lessequal
88 /multiply 89 /percent 90 /infinity 48 /circlemultiply 49 /circleplus
50 /emptyset 51 /lozenge 52 /bullet 53 /arrowright 54 /arrowup
55 /arrowleft 56 /arrowdown 57 /arrowboth 48 /degree 44 /comma 43 /plus
 45 /angle 42 /angleleft 47 /divide 61 /notequal 40 /equivalence 41 /second
 97 /approxequal 98 /congruent 99 /perpendicular 100 /partialdiff 101 /florin
 102 /intersection 103 /union 104 /propersuperset 105 /reflexsuperset
 106 /notsubset 107 /propersubset 108 /reflexsubset 109 /element 110 /notelement
 111 /gradient 112 /logicaland 113 /logicalor 114 /arrowdblboth
 115 /arrowdblleft 116 /arrowdblup 117 /arrowdblright 118 /arrowdbldown
 119 /ampersand 120 /omega1 121 /similar 122 /aleph ] def
/Symbol /Special accspe ReEncode
gsave .25 .25 scale 
%%EndProlog
 gsave 0 0 t black [] 0 sd 1 lw 1473 1813 227 170 bl 1473 1813 227 170 C 227 170
 m 221 X 6 Y 18 X -6 Y 18 X 13 Y 37 X 6 Y 19 X 59 Y 18 X -7 Y 19 X 156 Y 18 X
 155 Y 18 X 298 Y 19 X 298 Y 18 X 247 Y 19 X 194 Y 18 X 149 Y 18 X -45 Y 19 X
 136 Y 18 X -65 Y 19 X -123 Y 18 X -7 Y 19 X -123 Y 18 X -116 Y 18 X -292 Y 19 X
 -13 Y 18 X 91 Y 19 X -188 Y 18 X -71 Y 18 X -7 Y 19 X -129 Y 18 X 123 Y 19 X
 -110 Y 18 X -111 Y 19 X -38 Y 18 X -124 Y 18 X 59 Y 19 X 32 Y 18 X -149 Y 19 X
 45 Y 18 X -64 Y 19 X 84 Y 18 X -130 Y 18 X -26 Y 19 X -32 Y 18 X 6 Y 19 X 20 Y
 18 X -104 Y 18 X 26 Y 19 X -13 Y 18 X 7 Y 19 X 13 Y 18 X -46 Y 19 X 13 Y 18 X
 -39 Y 18 X -26 Y 37 X 13 Y 19 X -13 Y 36 X -6 Y 37 X -20 Y 19 X 7 Y 18 X 13 Y
 19 X -7 Y 36 X -6 Y 19 X 6 Y 37 X -19 Y 18 X s NC 227 170 m 1813 Y s 261 170 m
 -34 X s 244 230 m -17 X s 244 290 m -17 X s 244 349 m -17 X s 244 409 m -17 X s
 261 469 m -34 X s 244 529 m -17 X s 244 588 m -17 X s 244 648 m -17 X s 244 708
 m -17 X s 261 768 m -34 X s 244 827 m -17 X s 244 887 m -17 X s 244 947 m -17 X
 s 244 1007 m -17 X s 261 1066 m -34 X s 244 1126 m -17 X s 244 1186 m -17 X s
 244 1246 m -17 X s 244 1305 m -17 X s 261 1365 m -34 X s 244 1425 m -17 X s 244
 1485 m -17 X s 244 1544 m -17 X s 244 1604 m -17 X s 261 1664 m -34 X s 244
 1724 m -17 X s 244 1783 m -17 X s 244 1843 m -17 X s 244 1903 m -17 X s 261
 1963 m -34 X s 261 1963 m -34 X s 165 186 m -5 -2 d -3 -4 d -1 -8 d -4 Y 1 -8 d
 3 -4 d 5 -2 d 3 X 4 2 d 3 4 d 2 8 d 4 Y -2 8 d -3 4 d -4 2 d -3 X cl s 89 485 m
 -4 -2 d -3 -4 d -2 -8 d -4 Y 2 -8 d 3 -5 d 4 -1 d 3 X 5 1 d 3 5 d 1 8 d 4 Y -1
 8 d -3 4 d -5 2 d -3 X cl s 113 456 m -1 -2 d 1 -1 d 2 1 d -2 2 d cl s 134 485
 m -4 -2 d -3 -4 d -2 -8 d -4 Y 2 -8 d 3 -5 d 4 -1 d 4 X 4 1 d 3 5 d 2 8 d 4 Y
 -2 8 d -3 4 d -4 2 d -4 X cl s 160 479 m 3 1 d 5 5 d -32 Y s 89 783 m -4 -1 d
 -3 -5 d -2 -7 d -5 Y 2 -7 d 3 -5 d 4 -1 d 3 X 5 1 d 3 5 d 1 7 d 5 Y -1 7 d -3 5
 d -5 1 d -3 X cl s 113 755 m -1 -2 d 1 -1 d 2 1 d -2 2 d cl s 134 783 m -4 -1 d
 -3 -5 d -2 -7 d -5 Y 2 -7 d 3 -5 d 4 -1 d 4 X 4 1 d 3 5 d 2 7 d 5 Y -2 7 d -3 5
 d -4 1 d -4 X cl s 157 776 m 1 Y 2 3 d 1 2 d 3 1 d 6 X 3 -1 d 2 -2 d 1 -3 d -3
 Y -1 -3 d -3 -4 d -15 -15 d 21 X s 89 1082 m -4 -1 d -3 -5 d -2 -7 d -5 Y 2 -7
 d 3 -5 d 4 -2 d 3 X 5 2 d 3 5 d 1 7 d 5 Y -1 7 d -3 5 d -5 1 d -3 X cl s 113
 1054 m -1 -2 d 1 -2 d 2 2 d -2 2 d cl s 134 1082 m -4 -1 d -3 -5 d -2 -7 d -5 Y
 2 -7 d 3 -5 d 4 -2 d 4 X 4 2 d 3 5 d 2 7 d 5 Y -2 7 d -3 5 d -4 1 d -4 X cl s
 159 1082 m 16 X -9 -12 d 5 X 3 -1 d 1 -2 d 2 -4 d -3 Y -2 -5 d -3 -3 d -4 -2 d
 -5 X -4 2 d -2 2 d -1 3 d s 89 1381 m -4 -1 d -3 -5 d -2 -8 d -4 Y 2 -8 d 3 -4
 d 4 -2 d 3 X 5 2 d 3 4 d 1 8 d 4 Y -1 8 d -3 5 d -5 1 d -3 X cl s 113 1352 m -1
 -1 d 1 -2 d 2 2 d -2 1 d cl s 134 1381 m -4 -1 d -3 -5 d -2 -8 d -4 Y 2 -8 d 3
 -4 d 4 -2 d 4 X 4 2 d 3 4 d 2 8 d 4 Y -2 8 d -3 5 d -4 1 d -4 X cl s 171 1381 m
 -15 -21 d 22 X s 171 1381 m -32 Y s 89 1680 m -4 -2 d -3 -4 d -2 -8 d -4 Y 2 -8
 d 3 -4 d 4 -2 d 3 X 5 2 d 3 4 d 1 8 d 4 Y -1 8 d -3 4 d -5 2 d -3 X cl s 113
 1651 m -1 -1 d 1 -2 d 2 2 d -2 1 d cl s 134 1680 m -4 -2 d -3 -4 d -2 -8 d -4 Y
 2 -8 d 3 -4 d 4 -2 d 4 X 4 2 d 3 4 d 2 8 d 4 Y -2 8 d -3 4 d -4 2 d -4 X cl s
 174 1680 m -15 X -2 -14 d 2 2 d 4 1 d 5 X 4 -1 d 3 -3 d 2 -5 d -3 Y -2 -4 d -3
 -3 d -4 -2 d -5 X -4 2 d -2 1 d -1 3 d s 89 1979 m -4 -2 d -3 -4 d -2 -8 d -5 Y
 2 -7 d 3 -5 d 4 -1 d 3 X 5 1 d 3 5 d 1 7 d 5 Y -1 8 d -3 4 d -5 2 d -3 X cl s
 113 1950 m -1 -2 d 1 -1 d 2 1 d -2 2 d cl s 134 1979 m -4 -2 d -3 -4 d -2 -8 d
 -5 Y 2 -7 d 3 -5 d 4 -1 d 4 X 4 1 d 3 5 d 2 7 d 5 Y -2 8 d -3 4 d -4 2 d -4 X
 cl s 175 1974 m -1 3 d -5 2 d -3 X -4 -2 d -3 -4 d -2 -8 d -8 Y 2 -6 d 3 -3 d 4
 -1 d 2 X 4 1 d 3 3 d 2 5 d 1 Y -2 5 d -3 3 d -4 2 d -2 X -4 -2 d -3 -3 d -2 -5
 d s 227 170 m 1473 X s 227 204 m -34 Y s 264 187 m -17 Y s 300 187 m -17 Y s
 337 187 m -17 Y s 374 187 m -17 Y s 411 204 m -34 Y s 448 187 m -17 Y s 484 187
 m -17 Y s 521 187 m -17 Y s 558 187 m -17 Y s 595 204 m -34 Y s 632 187 m -17 Y
 s 669 187 m -17 Y s 705 187 m -17 Y s 742 187 m -17 Y s 779 204 m -34 Y s 816
 187 m -17 Y s 853 187 m -17 Y s 890 187 m -17 Y s 926 187 m -17 Y s 963 204 m
 -34 Y s 1000 187 m -17 Y s 1037 187 m -17 Y s 1074 187 m -17 Y s 1111 187 m -17
 Y s 1147 204 m -34 Y s 1184 187 m -17 Y s 1221 187 m -17 Y s 1258 187 m -17 Y s
 1295 187 m -17 Y s 1332 204 m -34 Y s 1368 187 m -17 Y s 1405 187 m -17 Y s
 1442 187 m -17 Y s 1479 187 m -17 Y s 1516 204 m -34 Y s 1553 187 m -17 Y s
 1590 187 m -17 Y s 1626 187 m -17 Y s 1663 187 m -17 Y s 1700 204 m -34 Y s 227
 204 m -34 Y s 175 129 m 27 X s 222 147 m -4 -1 d -3 -5 d -2 -7 d -5 Y 2 -7 d 3
 -5 d 4 -1 d 3 X 5 1 d 3 5 d 1 7 d 5 Y -1 7 d -3 5 d -5 1 d -3 X cl s 246 119 m
 -1 -2 d 1 -1 d 2 1 d -2 2 d cl s 263 141 m 3 2 d 4 4 d -31 Y s 344 129 m 28 X s
 391 147 m -4 -1 d -3 -5 d -2 -7 d -5 Y 2 -7 d 3 -5 d 4 -1 d 3 X 5 1 d 3 5 d 1 7
 d 5 Y -1 7 d -3 5 d -5 1 d -3 X cl s 415 119 m -1 -2 d 1 -1 d 2 1 d -2 2 d cl s
 437 147 m -5 -1 d -3 -5 d -2 -7 d -5 Y 2 -7 d 3 -5 d 5 -1 d 3 X 4 1 d 3 5 d 2 7
 d 5 Y -2 7 d -3 5 d -4 1 d -3 X cl s 476 147 m -15 X -2 -13 d 2 1 d 4 2 d 5 X 4
 -2 d 3 -3 d 2 -4 d -3 Y -2 -5 d -3 -3 d -4 -1 d -5 X -4 1 d -2 2 d -1 3 d s 593
 147 m -4 -1 d -3 -5 d -2 -7 d -5 Y 2 -7 d 3 -5 d 4 -1 d 4 X 4 1 d 3 5 d 2 7 d 5
 Y -2 7 d -3 5 d -4 1 d -4 X cl s 740 147 m -5 -1 d -3 -5 d -1 -7 d -5 Y 1 -7 d
 3 -5 d 5 -1 d 3 X 4 1 d 3 5 d 2 7 d 5 Y -2 7 d -3 5 d -4 1 d -3 X cl s 764 119
 m -1 -2 d 1 -1 d 2 1 d -2 2 d cl s 785 147 m -4 -1 d -3 -5 d -2 -7 d -5 Y 2 -7
 d 3 -5 d 4 -1 d 3 X 5 1 d 3 5 d 1 7 d 5 Y -1 7 d -3 5 d -5 1 d -3 X cl s 824
 147 m -15 X -1 -13 d 1 1 d 5 2 d 4 X 5 -2 d 3 -3 d 2 -4 d -3 Y -2 -5 d -3 -3 d
 -5 -1 d -4 X -5 1 d -1 2 d -2 3 d s 939 147 m -4 -1 d -3 -5 d -2 -7 d -5 Y 2 -7
 d 3 -5 d 4 -1 d 3 X 5 1 d 3 5 d 1 7 d 5 Y -1 7 d -3 5 d -5 1 d -3 X cl s 963
 119 m -1 -2 d 1 -1 d 2 1 d -2 2 d cl s 980 141 m 3 2 d 5 4 d -31 Y s 1108 147 m
 -4 -1 d -3 -5 d -2 -7 d -5 Y 2 -7 d 3 -5 d 4 -1 d 3 X 5 1 d 3 5 d 1 7 d 5 Y -1
 7 d -3 5 d -5 1 d -3 X cl s 1132 119 m -1 -2 d 1 -1 d 2 1 d -2 2 d cl s 1149
 141 m 3 2 d 5 4 d -31 Y s 1193 147 m -15 X -2 -13 d 2 1 d 4 2 d 5 X 4 -2 d 3 -3
 d 2 -4 d -3 Y -2 -5 d -3 -3 d -4 -1 d -5 X -4 1 d -2 2 d -1 3 d s 1307 147 m -4
 -1 d -3 -5 d -2 -7 d -5 Y 2 -7 d 3 -5 d 4 -1 d 4 X 4 1 d 3 5 d 2 7 d 5 Y -2 7 d
 -3 5 d -4 1 d -4 X cl s 1332 119 m -2 -2 d 2 -1 d 1 1 d -1 2 d cl s 1345 140 m
 1 Y 2 3 d 1 2 d 3 1 d 6 X 3 -1 d 2 -2 d 1 -3 d -3 Y -1 -3 d -3 -4 d -15 -15 d
 21 X s 1477 147 m -5 -1 d -3 -5 d -2 -7 d -5 Y 2 -7 d 3 -5 d 5 -1 d 3 X 4 1 d 3
 5 d 2 7 d 5 Y -2 7 d -3 5 d -4 1 d -3 X cl s 1501 119 m -2 -2 d 2 -1 d 1 1 d -1
 2 d cl s 1514 140 m 1 Y 2 3 d 1 2 d 3 1 d 6 X 3 -1 d 2 -2 d 1 -3 d -3 Y -1 -3 d
 -3 -4 d -15 -15 d 21 X s 1561 147 m -15 X -1 -13 d 1 1 d 5 2 d 4 X 5 -2 d 3 -3
 d 1 -4 d -3 Y -1 -5 d -3 -3 d -5 -1 d -4 X -5 1 d -1 2 d -2 3 d s 1676 147 m -5
 -1 d -3 -5 d -1 -7 d -5 Y 1 -7 d 3 -5 d 5 -1 d 3 X 4 1 d 3 5 d 2 7 d 5 Y -2 7 d
 -3 5 d -4 1 d -3 X cl s 1700 119 m -2 -2 d 2 -1 d 2 1 d -2 2 d cl s 1715 147 m
 17 X -9 -12 d 4 X 3 -1 d 2 -2 d 1 -4 d -3 Y -1 -5 d -3 -3 d -5 -1 d -4 X -5 1 d
 -1 2 d -2 3 d s 1473 1813 227 170 C [12 12] 0 sd 227 170 m 184 X 7 Y 18 X -7 Y
 19 X 7 Y 18 X 6 Y 18 X -6 Y 19 X 6 Y 18 X 40 Y 19 X 33 Y 18 X 191 Y 37 X 265 Y
 18 X 336 Y 19 X 146 Y 18 X 251 Y 19 X 13 Y 18 X 456 Y 18 X -172 Y 19 X -20 Y 18
 X -165 Y 19 X -59 Y 18 X 59 Y 19 X -152 Y 18 X -125 Y 18 X -14 Y 19 X -125 Y 18
 X -13 Y 19 X -218 Y 18 X 6 Y 18 X -145 Y 19 X 40 Y 18 X -33 Y 19 X 13 Y 37 X
 -106 Y 18 X -72 Y 18 X -40 Y 19 X -53 Y 18 X -20 Y 19 X -26 Y 18 X -27 Y 19 X
 -46 Y 18 X 73 Y 18 X -93 Y 19 X 33 Y 18 X -72 Y 19 X -60 Y 18 X 13 Y 18 X 47 Y
 19 X -66 Y 18 X 6 Y 19 X -39 Y 18 X 19 Y 19 X -13 Y 18 X -6 Y 18 X -7 Y 19 X -7
 Y 18 X -39 Y 19 X 33 Y 18 X -20 Y 18 X 7 Y 19 X -14 Y 37 X -13 Y 18 X 7 Y 19 X
 -13 Y 18 X 13 Y 37 X -7 Y 18 X -13 Y 19 X 13 Y 18 X -13 Y s 1757 2040 0 0 C
 [] 0 sd 1068 75 m -3 3 d -4 1 d -6 X -5 -1 d -3 -3 d -3 Y 2 -3 d 1 -2 d 3 -1 d
 9 -3 d 3 -2 d 2 -1 d 1 -3 d -5 Y -3 -3 d -4 -1 d -6 X -5 1 d -3 3 d s 1079 69 m
 -15 Y 1 -5 d 3 -1 d 5 X 3 1 d 5 5 d s 1096 69 m -21 Y s 1108 69 m -21 Y s 1108
 63 m 4 4 d 3 2 d 5 X 3 -2 d 1 -4 d -15 Y s 1124 63 m 5 4 d 3 2 d 4 X 3 -2 d 2
 -4 d -15 Y s 1164 85 m -3 -3 d -3 -4 d -4 -6 d -1 -8 d -6 Y 1 -7 d 4 -6 d 3 -5
 d 3 -3 d s 1174 79 m -31 Y s 1174 79 m 14 X 4 -1 d 2 -2 d 1 -3 d -4 Y -1 -3 d
 -2 -2 d -4 -1 d -14 X s 1207 79 m -25 Y 2 -5 d 3 -1 d 3 X s 1203 69 m 10 X s
 1222 85 m 4 -3 d 3 -4 d 3 -6 d 1 -8 d -6 Y -1 -7 d -3 -6 d -3 -5 d -4 -3 d s
 1244 69 m 6 -21 d s 1256 69 m -6 -21 d s 1256 69 m 6 -21 d s 1268 69 m -6 -21 d
 s 1284 69 m -3 -2 d -3 -3 d -1 -4 d -3 Y 1 -5 d 3 -3 d 3 -1 d 5 X 3 1 d 3 3 d 2
 5 d 3 Y -2 4 d -3 3 d -3 2 d -5 X cl s 1307 69 m -21 Y s 1307 60 m 2 4 d 3 3 d
 3 2 d 4 X s 1342 64 m -2 3 d -4 2 d -5 X -4 -2 d -2 -3 d 2 -3 d 3 -1 d 7 -2 d 3
 -1 d 2 -3 d -2 Y -2 -3 d -4 -1 d -5 X -4 1 d -2 3 d s 1354 79 m -25 Y 1 -5 d 3
 -1 d 4 X s 1349 69 m 11 X s 1371 61 m 27 X s 1430 75 m -4 3 d -4 1 d -6 X -5 -1
 d -3 -3 d -3 Y 2 -3 d 1 -2 d 3 -1 d 9 -3 d 3 -2 d 2 -1 d 2 -3 d -5 Y -4 -3 d -4
 -1 d -6 X -5 1 d -3 3 d s 1440 69 m -15 Y 2 -5 d 3 -1 d 4 X 3 1 d 5 5 d s 1457
 69 m -21 Y s 1469 69 m -21 Y s 1469 63 m 4 4 d 3 2 d 5 X 3 -2 d 1 -4 d -15 Y s
 1485 63 m 5 4 d 3 2 d 5 X 3 -2 d 1 -4 d -15 Y s 1525 85 m -3 -3 d -3 -4 d -3 -6
 d -2 -8 d -6 Y 2 -7 d 3 -6 d 3 -5 d 3 -3 d s 1535 79 m -31 Y s 1535 79 m 14 X 4
 -1 d 2 -2 d 1 -3 d -4 Y -1 -3 d -2 -2 d -4 -1 d -14 X s 1569 79 m -25 Y 1 -5 d
 3 -1 d 3 X s 1564 69 m 11 X s 1584 85 m 3 -3 d 3 -4 d 3 -6 d 1 -8 d -6 Y -1 -7
 d -3 -6 d -3 -5 d -3 -3 d s 1606 79 m -31 Y s 1606 64 m 3 3 d 3 2 d 5 X 3 -2 d
 3 -3 d 1 -4 d -3 Y -1 -5 d -3 -3 d -3 -1 d -5 X -3 1 d -3 3 d s 1634 60 m 18 X
 3 Y -2 3 d -1 1 d -3 2 d -5 X -3 -2 d -3 -3 d -1 -4 d -3 Y 1 -5 d 3 -3 d 3 -1 d
 5 X 3 1 d 3 3 d s 1677 64 m -1 3 d -5 2 d -4 X -5 -2 d -1 -3 d 1 -3 d 3 -1 d 8
 -2 d 3 -1 d 1 -3 d -2 Y -1 -3 d -5 -1 d -4 X -5 1 d -1 3 d s 1689 79 m -25 Y 2
 -5 d 3 -1 d 3 X s 1685 69 m 10 X s 14 1578 m 31 X s 14 1578 m 31 22 d s 14 1600
 m 31 X s 24 1612 m 15 X 5 1 d 1 3 d 5 Y -1 3 d -5 4 d s 24 1628 m 21 X s 24
 1640 m 21 X s 30 1640 m -4 5 d -2 3 d 4 Y 2 3 d 4 2 d 15 X s 30 1657 m -4 4 d
 -2 3 d 5 Y 2 3 d 4 2 d 15 X s 14 1686 m 31 X s 29 1686 m -3 3 d -2 3 d 4 Y 2 3
 d 3 3 d 4 2 d 3 X 5 -2 d 3 -3 d 1 -3 d -4 Y -1 -3 d -3 -3 d s 33 1713 m 18 Y -3
 X -3 -2 d -1 -1 d -2 -3 d -5 Y 2 -3 d 3 -3 d 4 -1 d 3 X 5 1 d 3 3 d 1 3 d 5 Y
 -1 3 d -3 3 d s 24 1742 m 21 X s 33 1742 m -4 1 d -3 3 d -2 3 d 5 Y s 24 1782 m
 2 -3 d 3 -3 d 4 -1 d 3 X 5 1 d 3 3 d 1 3 d 5 Y -1 3 d -3 3 d -5 1 d -3 X -4 -1
 d -3 -3 d -2 -3 d -5 Y cl s 14 1814 m -3 Y 1 -3 d 5 -1 d 25 X s 24 1802 m 11 Y
 s 33 1837 m 18 Y -3 X -3 -2 d -1 -1 d -2 -3 d -5 Y 2 -3 d 3 -3 d 4 -1 d 3 X 5 1
 d 3 3 d 1 3 d 5 Y -1 3 d -3 3 d s 24 1862 m 21 10 d s 24 1881 m 21 -9 d s 33
 1888 m 18 Y -3 X -3 -1 d -1 -2 d -2 -3 d -4 Y 2 -3 d 3 -3 d 4 -2 d 3 X 5 2 d 3
 3 d 1 3 d 4 Y -1 3 d -3 3 d s 24 1917 m 21 X s 30 1917 m -4 4 d -2 3 d 5 Y 2 3
 d 4 1 d 15 X s 14 1947 m 25 X 5 2 d 1 3 d 3 Y s 24 1943 m 10 Y s 29 1979 m -3
 -2 d -2 -4 d -5 Y 2 -4 d 3 -2 d 3 2 d 1 3 d 2 7 d 1 3 d 3 2 d 2 X 3 -2 d 1 -4 d
 -5 Y -1 -4 d -3 -2 d s 1473 1813 227 170 C
gr gr showpage
end
%%EOF
\end{filecontents}

\begin{filecontents}{fig2d.eps}
%!PS-Adobe-2.0 EPSF-2.0
%%BoundingBox: 0 0 439 510
%%Title: /home/nimis/emanuel/tmp/ww/out3a.eps
%%Creator: HIGZ Version 1.22/07
%%CreationDate: 96/03/29   14.57
%%EndComments
80 dict begin
/s {stroke} def /l {lineto} def /m {moveto} def /t {translate} def
/sw {stringwidth} def /r {rotate} def /rl {roll}  def /R {repeat} def
/d {rlineto} def /rm {rmoveto} def /gr {grestore} def /f {eofill} def
/c {setrgbcolor} def /lw {setlinewidth} def /sd {setdash} def
/cl {closepath} def /sf {scalefont setfont} def /black {0 setgray} def
/box {m dup 0 exch d exch 0 d 0 exch neg d cl} def
/NC{systemdict begin initclip end}def/C{NC box clip newpath}def
/bl {box s} def /bf {box f} def /Y { 0 exch d} def /X { 0 d} def 
/mp {newpath /y exch def /x exch def} def
/side {[w .77 mul w .23 mul] .385 w mul sd w 0 l currentpoint t -144 r} def
/mr {mp x y w2 0 360 arc} def /m24 {mr s} def /m20 {mr f} def
/mb {mp x y w2 add m w2 neg 0 d 0 w neg d w 0 d 0 w d cl} def
/mt {mp x y w2 add m w2 neg w neg d w 0 d cl} def
/m21 {mb f} def /m25 {mb s} def /m22 {mt f} def /m26{mt s} def
/m23 {mp x y w2 sub m w2 w d w neg 0 d cl f} def
/m27 {mp x y w2 add m w3 neg w2 neg d w3 w2 neg d w3 w2 d cl s} def
/m28 {mp x w2 sub y w2 sub w3 add m w3 0 d 0 w3 neg d w3 0 d 0 w3 d w3 0 d
 0 w3 d w3 neg 0 d 0 w3 d w3 neg 0 d
 0 w3 neg d w3 neg 0 d cl s } def
/m29 {mp gsave x w2 sub y w2 add w3 sub m currentpoint t
 4 {side} repeat cl fill gr} def
/m30 {mp gsave x w2 sub y w2 add w3 sub m currentpoint t
 5 {side} repeat s gr} def
/m31 {mp x y w2 sub m 0 w d x w2 sub y m w 0 d
 x w2 sub y w2 add m w w neg d x w2 sub y w2
 sub m w w d s} def
/m2 {mp x y w2 sub m 0 w d x w2 sub y m w 0 d s} def
/m5 {mp x w2 sub y w2 sub m w w d x w2 sub y w2 add m w w neg d s} def
/DP {/PT exch def gsave 47.2 47.2 scale PT 1 eq { 1616 1 [ 16 0 0 16 neg 0 16
] { < AA AA 55 55 AA AA 55 55 AA AA 55 55 AA AA 55 55 AA AA 55 55 AA AA 55 55
AA AA 55 55 AA AA 55 55 > } image } if PT 2 eq { 16 16 1 [ 16 0 0 16 neg 0 16
] { < BB BB EE EE BB BB EE EE BB BB EE EE BB BB EE EE BB BB EE EE BB BB EE EE
BB BB EE EE BB BB EE EE > } image } if PT 3 eq { 16 16 1 [ 16 0 0 16 neg 0 16
] { < FF FF BB BB FF FF EE EE FF FF BB BB FF FF EE EE FF FF BB BB FF FF EE EE
FF FF BB BB FF FF EE EE > } image } if PT 4 eq { 16 16 1 [ 16 0 0 16 neg 0 16
] { < DF DF BF BF 7F 7F FE FE FD FD FB FB F7 F7 EF EF DF DF BF BF 7F 7F FE FE
FD FD FB FB F7 F7 EF EF > } image } if PT 5 eq { 16 16 1 [ 16 0 0 16 neg 0 16
] { < 7F 7F BF B F DF DF EF EF F7 F7 FB FB FD FD FE FE 7F 7F BF BF DF DF EF
EF F7 F7 FB FB FD FD FE FE > } image } if PT 6 eq { 16 16 1 [ 16 0 0 16 neg 0
16 ] { < BB BB BB BB BB BB BB BB BB BB BB BB BB BB BB BB BB BB BB BB BB BB BB
BB BB BB BB BB BB BB BB BB > } image } if PT 7 eq { 16 16 1 [ 16 0 0 16 neg 0
16 ] { < FF FF FF FF FF FF 00 00 FF FF FF FF FF FF 00 00 FF FF FF FF FF FF 00
00 FF FF FF FF FF FF 00 00 > } image } if PT 8 eq { 16 16 1 [ 16 0 0 16 neg 0
16 ] { < EE EE 47 47 83 83 C5 C5 EE EE 5C 5C 38 38 74 74 EE EE 47 47 83 83 C5
C5 EE EE 5C 5C 38 38 74 74 > } image } if PT 9 eq { 16 16 1 [ 16 0 0 16 neg 0
16 ] { < EF EF EF EF D7 D7 38 38 FE FE FE FE 7D 7D 83 83 EF EF EF EF D7 D7 38
38 FE FE FE FE 7D 7D 83 83 > } image } if PT 10 eq {16 16 1 [ 16 0 0 16 neg
0 16 ] { < EF EF EF EF EF EF 00 00 FE FE FE FE FE FE00 00 EF EF EF EF EF EF
00 00 FE FE FE FE FE FE 00 00 > } image } if PT 11 eq { 16 16 1 [ 16 0 0 16
neg 0 16 ] { < F7 F7 B6 B6 D5 D5 E3 E3 D5 D5 B6 B6 F7 F7 FF FF 7F 7F 6B 6B 5D
5D 3E 3E 5D 5D 6B 6B 7F 7F FF FF > } image } if PT 12 eq { 16 16 1 [ 16 0 0
16 neg 0 16 ] { < E3 E3 DD DD BE BE BE BE BE BE DD DD E3 E3 FF FF 3E 3E DD DD
EB EB EB EB EB EB DD DD 3E 3E FF FF > } image } if PT 13 eq { 16 16 1 [ 16 0
0 16 neg 0 16 ] { < FE FE 7D 7D BB BB D7 D7 EF EF D7D7 BB BB 7D 7D FE FE 7D
7D BB BB D7 D7 EF EF D7 D7 BB BB 7D 7D > } image } if PT 14 eq { 16 16 1 [ 16
0 0 16 neg 0 16 ] { < 00 00 EE EF EE EF EE EF 0E E0 EE EE EE EE EE EE 00 EE
FE EE FE EE FE EE 00 00 FE EF FE EF FE EF > } image } if PT 15 eq { 16 16 1 [
16 0 0 16 neg 0 16 ] { < DD DD AA AA DD DD FF FF 77 77 AA AA 77 77 FF FF DD
DD AA AA DD DD FF FF 77 77 AA AA 77 77 FF FF > } image } if PT 16 eq { 16 16
1 [ 16 0 0 16 neg 0 16 ] { < F1 F1 EE EE 1F 1F FF FFF1 F1 EE EE 1F 1F FF FF
F1 F1 EE EE 1F 1F FF FF F1 F1 EE EE 1F 1F FF FF > } image } if PT 17 eq { 16
16 1 [ 16 0 0 16 neg 0 16 ] { < EE EE DD DD BB BB FFFF EE EE DD DD BB BB FF
FF EE EE DD DD BB BB FF FF EE EE DD DD BB BB FF FF >} image } if PT 18 eq {
16 16 1 [ 16 0 0 16 neg 0 16 ] { < BB BB DD DD EE EEFF FF BB BB DD DD EE EE
FF FF BB BB DD DD EE EE FF FF BB BB DD DD EE EE FF FF > } image } if PT 19 eq
{ 16 16 1 [ 16 0 0 16 neg 0 16 ] { < 1F FC 67 F3 7B EF BD DE BD DE DE BD E6
B3 F8 0F E6 B3 DE BD BD DE BD DE 7B EF 67 F3 1F FC 7F FF > } image } if PT
20 eq { 16 16 1 [ 16 0 0 16 neg 0 16 ] { < DD DD EE EE EE EE EE EE DD DD BB
BB BB BB BB BB DD DD EE EE EE EE EE EE DD DD BB BB BB BB BB BB > } image }
if PT 21 eq { 16 16 1 [ 16 0 0 16 neg 0 16 ] { < 0E 0E EF EF EF EF EF EF E0
E0 FE FE FE FE FE FE 0E 0E EF EF EF EF EF EF E0 E0 FE FE FE FE FE FE > }
image } if PT 22 eq { 16 16 1 [ 16 0 0 16 neg 0 16 ]{ < 70 70 F7 F7 F7 F7 F7
F7 07 07 7F 7F 7F 7F 7F 7F 70 70 F7 F7 F7 F7 F7 F7 07 07 7F 7F 7F 7F 7F 7F >
} image } if PT 23 eq { 16 16 1 [ 16 0 0 16 neg 0 16] { < AA AA 55 55 A9 A9
D1 D1 E1 E1 D1 D1 A9 A9 55 55 AA AA 55 55 A9 A9 D1 D1 E1 E1 D1 D1 A9 A9 55 55
> } image } if PT 24 eq { 16 16 1 [ 16 0 0 16 neg 0 16 ] { < FF FE FF FC EA
A8 D5 54 EA A8 D5 54 E8 28 D4 54 E8 E8 D4 D4 E8 EA 54 D5 A8 EA 54 D5 00 C0 00
80 > } image } if PT 25 eq { 16 16 1 [ 16 0 0 16 neg0 16 ] { < FF FE FF FC
FF F8 FF F0 F0 00 F0 00 F0 20 F0 60 F0 E0 F1 E0 F3 E0 F0 00 E0 00 C0 00 80 00
00 00 > } image } if gr } def /FA { /PT exch def gsave clip 0 0 translate 1 1
54 { 1 sub 47.2 mul /Xcurr exch def 1 1 74 { 1 sub 47.2 mul /Ycurr exch def
gsave Xcurr Ycurr translate PT DP gr } for } for gr } def
/reencdict 24 dict def /ReEncode {reencdict begin /nco&na exch def
/nfnam exch def /basefontname exch def /basefontdict basefontname findfont def
/newfont basefontdict maxlength dict def basefontdict {exch dup /FID ne
{dup /Encoding eq {exch dup length array copy newfont 3 1 roll put} {exch
newfont 3 1 roll put} ifelse} {pop pop} ifelse } forall newfont
/FontName nfnam put nco&na aload pop nco&na length 2 idiv {newfont
/Encoding get 3 1 roll put} repeat nfnam newfont definefont pop end } def
/accvec [ 176 /agrave 181 /Agrave 190 /acircumflex 192 /Acircumflex
201 /adieresis 204 /Adieresis 209 /ccedilla 210 /Ccedilla 211 /eacute
212 /Eacute 213 /egrave 214 /Egrave 215 /ecircumflex 216 /Ecircumflex
217 /edieresis 218 /Edieresis 219 /icircumflex 220 /Icircumflex
221 /idieresis 222 /Idieresis 223 /ntilde 224 /Ntilde 226 /ocircumflex
228 /Ocircumflex 229 /odieresis 230 /Odieresis 231 /ucircumflex 236 /Ucircumflex
237 /udieresis 238 /Udieresis 239 /aring 242 /Aring 243 /ydieresis
244 /Ydieresis 246 /aacute 247 /Aacute 252 /ugrave 253 /Ugrave] def
/Times-Roman /Times-Roman accvec ReEncode
/Times-Italic /Times-Italic accvec ReEncode
/Times-Bold /Times-Bold accvec ReEncode
/Times-BoldItalic /Times-BoldItalic accvec ReEncode
/Helvetica /Helvetica accvec ReEncode
/Helvetica-Oblique /Helvetica-Oblique accvec ReEncode
/Helvetica-Bold /Helvetica-Bold accvec ReEncode
/Helvetica-BoldOblique /Helvetica-BoldOblique  accvec ReEncode
/Courier /Courier accvec ReEncode
/Courier-Oblique /Courier-Oblique accvec ReEncode
/Courier-Bold /Courier-Bold accvec ReEncode
/Courier-BoldOblique /Courier-BoldOblique accvec ReEncode
/oshow {gsave [] 0 sd true charpath stroke gr} def
/stwn { /fs exch def /fn exch def /text exch def fn findfont fs sf
 text sw pop xs add /xs exch def} def
/stwb { /fs exch def /fn exch def /nbas exch def /textf exch def
textf length /tlen exch def nbas tlen gt {/nbas tlendef} if
fn findfont fs sf textf dup length nbas sub nbas getinterval sw
pop neg xs add /xs exch def} def
/accspe [ 65 /plusminus 66 /bar 67 /existential 68 /universal
69 /exclam 70 /numbersign 71 /greater 72 /question 73 /integral
74 /colon 75 /semicolon 76 /less 77 /bracketleft 78 /bracketright
79 /greaterequal 80 /braceleft 81 /braceright 82 /radical
83 /spade 84 /heart 85 /diamond 86 /club 87 /lessequal
88 /multiply 89 /percent 90 /infinity 48 /circlemultiply 49 /circleplus
50 /emptyset 51 /lozenge 52 /bullet 53 /arrowright 54 /arrowup
55 /arrowleft 56 /arrowdown 57 /arrowboth 48 /degree 44 /comma 43 /plus
 45 /angle 42 /angleleft 47 /divide 61 /notequal 40 /equivalence 41 /second
 97 /approxequal 98 /congruent 99 /perpendicular 100 /partialdiff 101 /florin
 102 /intersection 103 /union 104 /propersuperset 105 /reflexsuperset
 106 /notsubset 107 /propersubset 108 /reflexsubset 109 /element 110 /notelement
 111 /gradient 112 /logicaland 113 /logicalor 114 /arrowdblboth
 115 /arrowdblleft 116 /arrowdblup 117 /arrowdblright 118 /arrowdbldown
 119 /ampersand 120 /omega1 121 /similar 122 /aleph ] def
/Symbol /Special accspe ReEncode
gsave .25 .25 scale 
%%EndProlog
 gsave 0 0 t black [] 0 sd 1 lw 1473 1813 227 170 bl 1473 1813 227 170 C 227 170
 m 257 X 6 Y 19 X 5 Y 18 X 12 Y 19 X 29 Y 18 X 97 Y 19 X 75 Y 18 X 391 Y 18 X
 213 Y 19 X 425 Y 18 X 230 Y 19 X 17 Y 18 X 69 Y 18 X -86 Y 19 X 143 Y 18 X -212
 Y 19 X -104 Y 18 X -5 Y 19 X -196 Y 18 X -11 Y 18 X -322 Y 19 X 46 Y 18 X -155
 Y 19 X -64 Y 18 X 18 Y 18 X -75 Y 19 X -75 Y 18 X -40 Y 19 X -17 Y 18 X -69 Y
 19 X 69 Y 18 X -132 Y 18 X -46 Y 19 X -69 Y 18 X -6 Y 19 X 17 Y 18 X -52 Y 19 X
 12 Y 18 X -23 Y 18 X 17 Y 19 X -29 Y 18 X 12 Y 19 X -23 Y 18 X -40 Y 18 X 5 Y
 19 X 6 Y 18 X -40 Y 19 X 11 Y 18 X 6 Y 19 X -17 Y 18 X 11 Y 18 X -11 Y 37 X -6
 Y 19 X -6 Y 55 X 6 Y 18 X -11 Y 19 X -6 Y 18 X 11 Y 19 X -5 Y 55 X -6 Y 55 X s
 NC 227 170 m 1813 Y s 261 170 m -34 X s 244 221 m -17 X s 244 272 m -17 X s 244
 323 m -17 X s 244 374 m -17 X s 261 425 m -34 X s 244 476 m -17 X s 244 527 m
 -17 X s 244 578 m -17 X s 244 629 m -17 X s 261 680 m -34 X s 244 731 m -17 X s
 244 782 m -17 X s 244 833 m -17 X s 244 884 m -17 X s 261 935 m -34 X s 244 986
 m -17 X s 244 1037 m -17 X s 244 1088 m -17 X s 244 1139 m -17 X s 261 1190 m
 -34 X s 244 1241 m -17 X s 244 1292 m -17 X s 244 1343 m -17 X s 244 1394 m -17
 X s 261 1445 m -34 X s 244 1496 m -17 X s 244 1547 m -17 X s 244 1598 m -17 X s
 244 1649 m -17 X s 261 1700 m -34 X s 244 1751 m -17 X s 244 1802 m -17 X s 244
 1853 m -17 X s 244 1904 m -17 X s 261 1955 m -34 X s 261 1955 m -34 X s 165 186
 m -5 -2 d -3 -4 d -1 -8 d -4 Y 1 -8 d 3 -4 d 5 -2 d 3 X 4 2 d 3 4 d 2 8 d 4 Y
 -2 8 d -3 4 d -4 2 d -3 X cl s 89 441 m -4 -2 d -3 -4 d -2 -8 d -4 Y 2 -8 d 3
 -4 d 4 -2 d 3 X 5 2 d 3 4 d 1 8 d 4 Y -1 8 d -3 4 d -5 2 d -3 X cl s 113 412 m
 -1 -1 d 1 -2 d 2 2 d -2 1 d cl s 134 441 m -4 -2 d -3 -4 d -2 -8 d -4 Y 2 -8 d
 3 -4 d 4 -2 d 4 X 4 2 d 3 4 d 2 8 d 4 Y -2 8 d -3 4 d -4 2 d -4 X cl s 160 435
 m 3 1 d 5 5 d -32 Y s 89 696 m -4 -2 d -3 -4 d -2 -8 d -4 Y 2 -8 d 3 -4 d 4 -2
 d 3 X 5 2 d 3 4 d 1 8 d 4 Y -1 8 d -3 4 d -5 2 d -3 X cl s 113 667 m -1 -1 d 1
 -2 d 2 2 d -2 1 d cl s 134 696 m -4 -2 d -3 -4 d -2 -8 d -4 Y 2 -8 d 3 -4 d 4
 -2 d 4 X 4 2 d 3 4 d 2 8 d 4 Y -2 8 d -3 4 d -4 2 d -4 X cl s 157 688 m 2 Y 2 3
 d 1 1 d 3 2 d 6 X 3 -2 d 2 -1 d 1 -3 d -3 Y -1 -3 d -3 -5 d -15 -15 d 21 X s 89
 951 m -4 -2 d -3 -4 d -2 -8 d -4 Y 2 -8 d 3 -4 d 4 -2 d 3 X 5 2 d 3 4 d 1 8 d 4
 Y -1 8 d -3 4 d -5 2 d -3 X cl s 113 922 m -1 -1 d 1 -2 d 2 2 d -2 1 d cl s 134
 951 m -4 -2 d -3 -4 d -2 -8 d -4 Y 2 -8 d 3 -4 d 4 -2 d 4 X 4 2 d 3 4 d 2 8 d 4
 Y -2 8 d -3 4 d -4 2 d -4 X cl s 159 951 m 16 X -9 -12 d 5 X 3 -2 d 1 -1 d 2 -5
 d -3 Y -2 -4 d -3 -3 d -4 -2 d -5 X -4 2 d -2 1 d -1 3 d s 89 1206 m -4 -2 d -3
 -4 d -2 -8 d -4 Y 2 -8 d 3 -4 d 4 -2 d 3 X 5 2 d 3 4 d 1 8 d 4 Y -1 8 d -3 4 d
 -5 2 d -3 X cl s 113 1177 m -1 -1 d 1 -2 d 2 2 d -2 1 d cl s 134 1206 m -4 -2 d
 -3 -4 d -2 -8 d -4 Y 2 -8 d 3 -4 d 4 -2 d 4 X 4 2 d 3 4 d 2 8 d 4 Y -2 8 d -3 4
 d -4 2 d -4 X cl s 171 1206 m -15 -21 d 22 X s 171 1206 m -32 Y s 89 1461 m -4
 -2 d -3 -4 d -2 -8 d -4 Y 2 -8 d 3 -4 d 4 -2 d 3 X 5 2 d 3 4 d 1 8 d 4 Y -1 8 d
 -3 4 d -5 2 d -3 X cl s 113 1432 m -1 -1 d 1 -2 d 2 2 d -2 1 d cl s 134 1461 m
 -4 -2 d -3 -4 d -2 -8 d -4 Y 2 -8 d 3 -4 d 4 -2 d 4 X 4 2 d 3 4 d 2 8 d 4 Y -2
 8 d -3 4 d -4 2 d -4 X cl s 174 1461 m -15 X -2 -14 d 2 2 d 4 1 d 5 X 4 -1 d 3
 -3 d 2 -5 d -3 Y -2 -4 d -3 -3 d -4 -2 d -5 X -4 2 d -2 1 d -1 3 d s 89 1716 m
 -4 -2 d -3 -4 d -2 -8 d -4 Y 2 -8 d 3 -4 d 4 -2 d 3 X 5 2 d 3 4 d 1 8 d 4 Y -1
 8 d -3 4 d -5 2 d -3 X cl s 113 1687 m -1 -1 d 1 -2 d 2 2 d -2 1 d cl s 134
 1716 m -4 -2 d -3 -4 d -2 -8 d -4 Y 2 -8 d 3 -4 d 4 -2 d 4 X 4 2 d 3 4 d 2 8 d
 4 Y -2 8 d -3 4 d -4 2 d -4 X cl s 175 1711 m -1 3 d -5 2 d -3 X -4 -2 d -3 -4
 d -2 -8 d -7 Y 2 -6 d 3 -3 d 4 -2 d 2 X 4 2 d 3 3 d 2 4 d 2 Y -2 4 d -3 3 d -4
 2 d -2 X -4 -2 d -3 -3 d -2 -4 d s 89 1971 m -4 -2 d -3 -4 d -2 -8 d -4 Y 2 -8
 d 3 -4 d 4 -2 d 3 X 5 2 d 3 4 d 1 8 d 4 Y -1 8 d -3 4 d -5 2 d -3 X cl s 113
 1942 m -1 -1 d 1 -2 d 2 2 d -2 1 d cl s 134 1971 m -4 -2 d -3 -4 d -2 -8 d -4 Y
 2 -8 d 3 -4 d 4 -2 d 4 X 4 2 d 3 4 d 2 8 d 4 Y -2 8 d -3 4 d -4 2 d -4 X cl s
 177 1971 m -15 -32 d s 156 1971 m 21 X s 227 170 m 1473 X s 227 204 m -34 Y s
 264 187 m -17 Y s 300 187 m -17 Y s 337 187 m -17 Y s 374 187 m -17 Y s 411 204
 m -34 Y s 448 187 m -17 Y s 484 187 m -17 Y s 521 187 m -17 Y s 558 187 m -17 Y
 s 595 204 m -34 Y s 632 187 m -17 Y s 669 187 m -17 Y s 705 187 m -17 Y s 742
 187 m -17 Y s 779 204 m -34 Y s 816 187 m -17 Y s 853 187 m -17 Y s 890 187 m
 -17 Y s 926 187 m -17 Y s 963 204 m -34 Y s 1000 187 m -17 Y s 1037 187 m -17 Y
 s 1074 187 m -17 Y s 1111 187 m -17 Y s 1147 204 m -34 Y s 1184 187 m -17 Y s
 1221 187 m -17 Y s 1258 187 m -17 Y s 1295 187 m -17 Y s 1332 204 m -34 Y s
 1368 187 m -17 Y s 1405 187 m -17 Y s 1442 187 m -17 Y s 1479 187 m -17 Y s
 1516 204 m -34 Y s 1553 187 m -17 Y s 1590 187 m -17 Y s 1626 187 m -17 Y s
 1663 187 m -17 Y s 1700 204 m -34 Y s 227 204 m -34 Y s 175 129 m 27 X s 222
 147 m -4 -1 d -3 -5 d -2 -7 d -5 Y 2 -7 d 3 -5 d 4 -1 d 3 X 5 1 d 3 5 d 1 7 d 5
 Y -1 7 d -3 5 d -5 1 d -3 X cl s 246 119 m -1 -2 d 1 -1 d 2 1 d -2 2 d cl s 263
 141 m 3 2 d 4 4 d -31 Y s 344 129 m 28 X s 391 147 m -4 -1 d -3 -5 d -2 -7 d -5
 Y 2 -7 d 3 -5 d 4 -1 d 3 X 5 1 d 3 5 d 1 7 d 5 Y -1 7 d -3 5 d -5 1 d -3 X cl s
 415 119 m -1 -2 d 1 -1 d 2 1 d -2 2 d cl s 437 147 m -5 -1 d -3 -5 d -2 -7 d -5
 Y 2 -7 d 3 -5 d 5 -1 d 3 X 4 1 d 3 5 d 2 7 d 5 Y -2 7 d -3 5 d -4 1 d -3 X cl s
 476 147 m -15 X -2 -13 d 2 1 d 4 2 d 5 X 4 -2 d 3 -3 d 2 -4 d -3 Y -2 -5 d -3
 -3 d -4 -1 d -5 X -4 1 d -2 2 d -1 3 d s 593 147 m -4 -1 d -3 -5 d -2 -7 d -5 Y
 2 -7 d 3 -5 d 4 -1 d 4 X 4 1 d 3 5 d 2 7 d 5 Y -2 7 d -3 5 d -4 1 d -4 X cl s
 740 147 m -5 -1 d -3 -5 d -1 -7 d -5 Y 1 -7 d 3 -5 d 5 -1 d 3 X 4 1 d 3 5 d 2 7
 d 5 Y -2 7 d -3 5 d -4 1 d -3 X cl s 764 119 m -1 -2 d 1 -1 d 2 1 d -2 2 d cl s
 785 147 m -4 -1 d -3 -5 d -2 -7 d -5 Y 2 -7 d 3 -5 d 4 -1 d 3 X 5 1 d 3 5 d 1 7
 d 5 Y -1 7 d -3 5 d -5 1 d -3 X cl s 824 147 m -15 X -1 -13 d 1 1 d 5 2 d 4 X 5
 -2 d 3 -3 d 2 -4 d -3 Y -2 -5 d -3 -3 d -5 -1 d -4 X -5 1 d -1 2 d -2 3 d s 939
 147 m -4 -1 d -3 -5 d -2 -7 d -5 Y 2 -7 d 3 -5 d 4 -1 d 3 X 5 1 d 3 5 d 1 7 d 5
 Y -1 7 d -3 5 d -5 1 d -3 X cl s 963 119 m -1 -2 d 1 -1 d 2 1 d -2 2 d cl s 980
 141 m 3 2 d 5 4 d -31 Y s 1108 147 m -4 -1 d -3 -5 d -2 -7 d -5 Y 2 -7 d 3 -5 d
 4 -1 d 3 X 5 1 d 3 5 d 1 7 d 5 Y -1 7 d -3 5 d -5 1 d -3 X cl s 1132 119 m -1
 -2 d 1 -1 d 2 1 d -2 2 d cl s 1149 141 m 3 2 d 5 4 d -31 Y s 1193 147 m -15 X
 -2 -13 d 2 1 d 4 2 d 5 X 4 -2 d 3 -3 d 2 -4 d -3 Y -2 -5 d -3 -3 d -4 -1 d -5 X
 -4 1 d -2 2 d -1 3 d s 1307 147 m -4 -1 d -3 -5 d -2 -7 d -5 Y 2 -7 d 3 -5 d 4
 -1 d 4 X 4 1 d 3 5 d 2 7 d 5 Y -2 7 d -3 5 d -4 1 d -4 X cl s 1332 119 m -2 -2
 d 2 -1 d 1 1 d -1 2 d cl s 1345 140 m 1 Y 2 3 d 1 2 d 3 1 d 6 X 3 -1 d 2 -2 d 1
 -3 d -3 Y -1 -3 d -3 -4 d -15 -15 d 21 X s 1477 147 m -5 -1 d -3 -5 d -2 -7 d
 -5 Y 2 -7 d 3 -5 d 5 -1 d 3 X 4 1 d 3 5 d 2 7 d 5 Y -2 7 d -3 5 d -4 1 d -3 X
 cl s 1501 119 m -2 -2 d 2 -1 d 1 1 d -1 2 d cl s 1514 140 m 1 Y 2 3 d 1 2 d 3 1
 d 6 X 3 -1 d 2 -2 d 1 -3 d -3 Y -1 -3 d -3 -4 d -15 -15 d 21 X s 1561 147 m -15
 X -1 -13 d 1 1 d 5 2 d 4 X 5 -2 d 3 -3 d 1 -4 d -3 Y -1 -5 d -3 -3 d -5 -1 d -4
 X -5 1 d -1 2 d -2 3 d s 1676 147 m -5 -1 d -3 -5 d -1 -7 d -5 Y 1 -7 d 3 -5 d
 5 -1 d 3 X 4 1 d 3 5 d 2 7 d 5 Y -2 7 d -3 5 d -4 1 d -3 X cl s 1700 119 m -2
 -2 d 2 -1 d 2 1 d -2 2 d cl s 1715 147 m 17 X -9 -12 d 4 X 3 -1 d 2 -2 d 1 -4 d
 -3 Y -1 -5 d -3 -3 d -5 -1 d -4 X -5 1 d -1 2 d -2 3 d s 1473 1813 227 170 C
 [12 12] 0 sd 227 170 m 239 X 14 Y 18 X 22 Y 19 X 49 Y 18 X 86 Y 19 X 270 Y 18 X
 207 Y 19 X 135 Y 18 X 235 Y 18 X 370 Y 19 X 107 Y 18 X 128 Y 19 X -22 Y 18 X
 143 Y 18 X -563 Y 19 X 193 Y 18 X -50 Y 19 X -285 Y 18 X 7 Y 19 X -206 Y 18 X
 28 Y 18 X -28 Y 19 X -228 Y 18 X -14 Y 19 X -93 Y 18 X -14 Y 18 X -28 Y 19 X
 -72 Y 18 X -49 Y 19 X -43 Y 18 X -64 Y 19 X -14 Y 18 X -22 Y 37 X -35 Y 18 X
 -57 Y 19 X 28 Y 18 X 7 Y 19 X -42 Y 18 X -7 Y 18 X -22 Y 37 X -21 Y 19 X 21 Y
 18 X -35 Y 18 X 49 Y 19 X -78 Y 18 X 64 Y 19 X -43 Y 18 X 8 Y 19 X -22 Y 18 X 7
 Y 18 X 7 Y 19 X -28 Y 18 X 21 Y 19 X -21 Y 36 X 7 Y 19 X -7 Y 37 X 14 Y 18 X
 -14 Y 55 X 7 Y 19 X -7 Y 55 X s 1757 2040 0 0 C [] 0 sd 1068 75 m -3 3 d -4 1 d
 -6 X -5 -1 d -3 -3 d -3 Y 2 -3 d 1 -2 d 3 -1 d 9 -3 d 3 -2 d 2 -1 d 1 -3 d -5 Y
 -3 -3 d -4 -1 d -6 X -5 1 d -3 3 d s 1079 69 m -15 Y 1 -5 d 3 -1 d 5 X 3 1 d 5
 5 d s 1096 69 m -21 Y s 1108 69 m -21 Y s 1108 63 m 4 4 d 3 2 d 5 X 3 -2 d 1 -4
 d -15 Y s 1124 63 m 5 4 d 3 2 d 4 X 3 -2 d 2 -4 d -15 Y s 1164 85 m -3 -3 d -3
 -4 d -4 -6 d -1 -8 d -6 Y 1 -7 d 4 -6 d 3 -5 d 3 -3 d s 1174 79 m -31 Y s 1174
 79 m 14 X 4 -1 d 2 -2 d 1 -3 d -4 Y -1 -3 d -2 -2 d -4 -1 d -14 X s 1207 79 m
 -25 Y 2 -5 d 3 -1 d 3 X s 1203 69 m 10 X s 1222 85 m 4 -3 d 3 -4 d 3 -6 d 1 -8
 d -6 Y -1 -7 d -3 -6 d -3 -5 d -4 -3 d s 1244 69 m 6 -21 d s 1256 69 m -6 -21 d
 s 1256 69 m 6 -21 d s 1268 69 m -6 -21 d s 1284 69 m -3 -2 d -3 -3 d -1 -4 d -3
 Y 1 -5 d 3 -3 d 3 -1 d 5 X 3 1 d 3 3 d 2 5 d 3 Y -2 4 d -3 3 d -3 2 d -5 X cl s
 1307 69 m -21 Y s 1307 60 m 2 4 d 3 3 d 3 2 d 4 X s 1342 64 m -2 3 d -4 2 d -5
 X -4 -2 d -2 -3 d 2 -3 d 3 -1 d 7 -2 d 3 -1 d 2 -3 d -2 Y -2 -3 d -4 -1 d -5 X
 -4 1 d -2 3 d s 1354 79 m -25 Y 1 -5 d 3 -1 d 4 X s 1349 69 m 11 X s 1371 61 m
 27 X s 1430 75 m -4 3 d -4 1 d -6 X -5 -1 d -3 -3 d -3 Y 2 -3 d 1 -2 d 3 -1 d 9
 -3 d 3 -2 d 2 -1 d 2 -3 d -5 Y -4 -3 d -4 -1 d -6 X -5 1 d -3 3 d s 1440 69 m
 -15 Y 2 -5 d 3 -1 d 4 X 3 1 d 5 5 d s 1457 69 m -21 Y s 1469 69 m -21 Y s 1469
 63 m 4 4 d 3 2 d 5 X 3 -2 d 1 -4 d -15 Y s 1485 63 m 5 4 d 3 2 d 5 X 3 -2 d 1
 -4 d -15 Y s 1525 85 m -3 -3 d -3 -4 d -3 -6 d -2 -8 d -6 Y 2 -7 d 3 -6 d 3 -5
 d 3 -3 d s 1535 79 m -31 Y s 1535 79 m 14 X 4 -1 d 2 -2 d 1 -3 d -4 Y -1 -3 d
 -2 -2 d -4 -1 d -14 X s 1569 79 m -25 Y 1 -5 d 3 -1 d 3 X s 1564 69 m 11 X s
 1584 85 m 3 -3 d 3 -4 d 3 -6 d 1 -8 d -6 Y -1 -7 d -3 -6 d -3 -5 d -3 -3 d s
 1606 79 m -31 Y s 1606 64 m 3 3 d 3 2 d 5 X 3 -2 d 3 -3 d 1 -4 d -3 Y -1 -5 d
 -3 -3 d -3 -1 d -5 X -3 1 d -3 3 d s 1634 60 m 18 X 3 Y -2 3 d -1 1 d -3 2 d -5
 X -3 -2 d -3 -3 d -1 -4 d -3 Y 1 -5 d 3 -3 d 3 -1 d 5 X 3 1 d 3 3 d s 1677 64 m
 -1 3 d -5 2 d -4 X -5 -2 d -1 -3 d 1 -3 d 3 -1 d 8 -2 d 3 -1 d 1 -3 d -2 Y -1
 -3 d -5 -1 d -4 X -5 1 d -1 3 d s 1689 79 m -25 Y 2 -5 d 3 -1 d 3 X s 1685 69 m
 10 X s 14 1578 m 31 X s 14 1578 m 31 22 d s 14 1600 m 31 X s 24 1612 m 15 X 5 1
 d 1 3 d 5 Y -1 3 d -5 4 d s 24 1628 m 21 X s 24 1640 m 21 X s 30 1640 m -4 5 d
 -2 3 d 4 Y 2 3 d 4 2 d 15 X s 30 1657 m -4 4 d -2 3 d 5 Y 2 3 d 4 2 d 15 X s 14
 1686 m 31 X s 29 1686 m -3 3 d -2 3 d 4 Y 2 3 d 3 3 d 4 2 d 3 X 5 -2 d 3 -3 d 1
 -3 d -4 Y -1 -3 d -3 -3 d s 33 1713 m 18 Y -3 X -3 -2 d -1 -1 d -2 -3 d -5 Y 2
 -3 d 3 -3 d 4 -1 d 3 X 5 1 d 3 3 d 1 3 d 5 Y -1 3 d -3 3 d s 24 1742 m 21 X s
 33 1742 m -4 1 d -3 3 d -2 3 d 5 Y s 24 1782 m 2 -3 d 3 -3 d 4 -1 d 3 X 5 1 d 3
 3 d 1 3 d 5 Y -1 3 d -3 3 d -5 1 d -3 X -4 -1 d -3 -3 d -2 -3 d -5 Y cl s 14
 1814 m -3 Y 1 -3 d 5 -1 d 25 X s 24 1802 m 11 Y s 33 1837 m 18 Y -3 X -3 -2 d
 -1 -1 d -2 -3 d -5 Y 2 -3 d 3 -3 d 4 -1 d 3 X 5 1 d 3 3 d 1 3 d 5 Y -1 3 d -3 3
 d s 24 1862 m 21 10 d s 24 1881 m 21 -9 d s 33 1888 m 18 Y -3 X -3 -1 d -1 -2 d
 -2 -3 d -4 Y 2 -3 d 3 -3 d 4 -2 d 3 X 5 2 d 3 3 d 1 3 d 4 Y -1 3 d -3 3 d s 24
 1917 m 21 X s 30 1917 m -4 4 d -2 3 d 5 Y 2 3 d 4 1 d 15 X s 14 1947 m 25 X 5 2
 d 1 3 d 3 Y s 24 1943 m 10 Y s 29 1979 m -3 -2 d -2 -4 d -5 Y 2 -4 d 3 -2 d 3 2
 d 1 3 d 2 7 d 1 3 d 3 2 d 2 X 3 -2 d 1 -4 d -5 Y -1 -4 d -3 -2 d s 1473 1813
 227 170 C
gr gr showpage
end
%%EOF
\end{filecontents}

\documentclass[12pt]{article}
\usepackage{epsfig}
 
%define page size
\setlength{\textheight}{245mm}
\setlength{\topmargin}{-5mm}
\setlength{\headheight}{0mm}
\setlength{\headsep}{0mm}
\setlength{\footskip}{10mm}
\setlength{\textwidth}{160mm}
\setlength{\oddsidemargin}{0mm}
\setlength{\evensidemargin}{0mm}
 
%new list environments to replace itemize and enumerate
\newenvironment{Itemize}{\begin{list}{$\bullet$}%
{\setlength{\topsep}{0.2mm}\setlength{\partopsep}{0.2mm}%
\setlength{\itemsep}{0.2mm}\setlength{\parsep}{0.2mm}}}%
{\end{list}}
\newcounter{enumct}
\newenvironment{Enumerate}{\begin{list}{\arabic{enumct}.}%
{\usecounter{enumct}\setlength{\topsep}{0.2mm}%
\setlength{\partopsep}{0.2mm}\setlength{\itemsep}{0.2mm}%
\setlength{\parsep}{0.2mm}}}{\end{list}}
 
%for indented abstract
\newlength{\abstwidth}
\setlength{\abstwidth}{\textwidth}
\addtolength{\abstwidth}{-25mm}
 
\begin{document}
 
%set sloppy attitude to line breaks
\sloppy
 
\pagestyle{empty}
 
\begin{flushright}
LU TP 96--21 \\
August 1996
\end{flushright}
 
\vspace{\fill}
 
\begin{center}
{\LARGE\bf Transverse Momentum as a Measure}\\[3mm]
{\LARGE\bf of Colour Topologies }\\[10mm]
{\Large E. Norrbin\footnote{emanuel@thep.lu.se} and %
T. Sj\"ostrand\footnote{torbjorn@thep.lu.se}} \\[3mm]
{\it Department of Theoretical Physics,}\\[1mm]
{\it Lund University, Lund, Sweden}
\end{center}
 
\vspace{\fill}
 
\begin{center}
{\bf Abstract}\\[2ex]
\begin{minipage}{\abstwidth}
Several distinct colour flow topologies are possible in 
multiparton configurations.  A method is proposed to find the 
correct topology, based on a minimization of the total 
transverse momentum of produced particles. This method is 
studied for three-jet $Z^0 \to q\overline{q} g$ and four-jet 
$W^+W^- \to q_1\overline{q}_2q_3\overline{q}_4$ events. It is 
shown how the basic picture is smeared, especially by parton-shower 
activity. The method therefore may not be sufficient on its 
own, but could still be a useful complement to others, and
e.g. help provide some handle on colour rearrangement 
effects.
\end{minipage}
\end{center}
 
\vspace{\fill}
 
\clearpage
\pagestyle{plain}
\setcounter{page}{1}

When high-energy processes produce multiparton sta\-tes,
it is generally believed that the confinement property of QCD
leads to the formation of colour flux tubes or vortex lines
spanned between the partons. These tubes/vortices are here called
strings, in anticipation of our use of hadronization based
on the string model \cite{Lundmod}. A quark or antiquark
is attached to one end of a string. A gluon is attached 
to two string pieces, one for its colour and one for its 
anticolour index, and thus corresponds to a kink on the string. 

The simplest kind of events, 
$e^+e^- \to \gamma^*/Z^0 \to q\overline{q}$, gives a single string
stretched between the $q$ and the $\overline{q}$. The direction of the 
colour flow can, in principle, be distinguished by flavour correlations 
\cite{BA+HUB}, but will not be studied here. In next order, 
$q\overline{q} g$ events correspond to a string stretched from the $q$ 
via the $g$ to the $\overline{q}$. The colour topology is unique, but
experimentally it is not normally known which of the three jets is
the gluon one, so this gives a threefold experimental ambiguity.  

From four partons onwards, true ambiguities of the topology 
exist, even when the identity of the partons is known. In 
$q\overline{q} gg$ events, the string can be drawn from the q to either 
of the two gluons, on to the other gluon and then to the $\overline{q}$.
This gives two possible topologies. A third topology, not expected
to leading order in $N_C$, is when one string runs directly 
between the $q$ and $\overline{q}$ and another string in a closed loop
between the two gluons. There is an experimental ambiguity, in
picking the two quarks among the four partons, which gives a further
factor of six, i.e. a total of eighteen possible topologies
(reduced to fifteen if single and double strings are not 
distinguished).

Another four-jet final state is obtained in the process
$e^+e^- \to W^+W^- \to q_1\overline{q}_2q_3\overline{q}_4$. 
Since the $W$'s are colour singlets, in principle each of 
$q_1\overline{q}_2$ and $q_3\overline{q}_4$ form a separate colour 
singlet string. However, by soft gluon exchange or some other 
mechanism, alternatively $q_1\overline{q}_4$ and $q_3\overline{q}_2$ 
may form two singlets. Since it would not normally be known which of 
the four jets are quarks and which antiquarks, there is a total of 
three experimental pairings of four jets, where the third corresponds 
to the unphysical flavour sets $q_1q_3$ and 
$\overline{q}_2\overline{q}_4$.

Among the topologies above, only the three-jet $q\overline{q}g$ events 
have been studied in detail. It has been shown that the string 
approach here correctly predicts the topology of particle flow,
with a dip in the angular region between the $q$ and $\overline{q}$
jets \cite{stringtheory,stringdata}. This comes about because the 
$qg$ and $\overline{q}g$ string pieces produce (soft) particles in 
the respective angular ranges, while there is no string directly
between the $q$ and $\overline{q}$. The same effect is also obtained as 
a consequence of colour coherence in perturbative soft-gluon emission 
\cite{dipoleeffect} --- normally these two approaches give the same 
qualitative picture. Although by now LEP~1 has produced large samples 
of four-jet events, the energy flow between these jets have not been 
studied in detail, presumably because of the large number of possible 
topologies.

LEP~2 will provide four-jets from $W$ pairs, and here the issue of 
colour topology may become of great importance \cite{GPZ,SjoValery}.
If, by colour rearrangement, an original $q_1\overline{q}_2$ plus 
$q_3\overline{q}_4$ colour singlet configuration is turned into a
$q_1\overline{q}_4$ plus $q_3\overline{q}_2$ one, particle production 
will be somewhat different. Methods to determine the $W$ mass from 
LEP~2 four-jet events will then give different results. There is 
more than one model of the colour rearrangement process; therefore the
uncertainty on the $W$ mass could be as high as 100~MeV 
\cite{workshop}, i.e. larger than the expected statistical error  
of the order of 40~MeV. The final number will then be dominated by the
mixed hadronic--leptonic channel $W^+W^- \to \ell\nu_{\ell}q\overline{q}$,  
which has about the same statistics. The hadronic events could be 
recuperated if colour rearrangement effects could be diagnosed from 
the data itself. Additionally, the ability to distinguish between
various reconnection scenarios could provide information on the 
nature of the QCD vacuum, and therefore be of fundamental interest.
Unfortunately, realistic reconnection scenarios give only very minute
effects on the data (remember that the effect on the $W$ mass is 
at most of the order of one per mille), and so attempts to find useful 
signals have been rather unsuccessful \cite{SjoValery}. There is 
only one claim for having found a signal \cite{GJari} where, 
in a few events, a central rapidity gap separates the particle 
production from two low-mass colour singlet reconnected systems. 
It has turned out, however, that neglected angular correlations in 
the W pair decays tend to reduce this signal to the border of 
observability \cite{GPW,JGerrata}. Therefore one would like to devise 
alternative methods to diagnose the appearance of colour 
rearrangement. 
 
We now want to propose and study a method to select the correct string 
topology. The starting point is the observation that, were it not
for various smearing effects, hadrons would be perfectly lined up 
with the string pieces spanned between the partons. In momentum
space the hadrons would appear along hyperbolae with the respective 
endpoint parton directions as asymptotes. In a frame where a string 
piece has no transverse motion, i.e. where the two endpoint partons 
are moving apart back-to-back, the hadrons produced by this piece would 
have vanishing transverse momentum. A hadron could then successively be 
boosted to the rest frame of any parton pair until the pair is found for 
which the particle $p_{\perp}$ is vanishing. When smearing is introduced, 
this $p_{\perp}$ will no longer be vanishing, but it still would be 
reasonable that a ``best bet'' is to assign each hadron to the string 
piece with respect to which it has smallest $p_{\perp}$. The most likely 
string configuration would be the one where the sum of all hadron 
$p_{\perp}$'s is minimal. While the fluctuations for each single hadron 
is too large for usefulness, it could be hoped that the net effect of 
all the hadrons would be to single out the correct topology. 

To be more precise, here is the scheme proposed, to be carried out 
for each event:
\begin{Enumerate}
\item Use some jet clustering algorithm to identify the directions
of the number of jets that should be used for the current application.
\item Enumerate the possible colour flow topologies allowed
in the process. 
\item Form one $\sum p_{\perp}$ measure for each topology, where the
sum runs over all final-state particles in the event. For each particle, 
its $p_{\perp}$ is defined as the minimum of the $p_{\perp}$'s obtained 
by boosting the particle to the rest frame of each of the string pieces 
making up the current topology.
\item Identify the correct topology as the one with smallest 
$\sum p_{\perp}$.
\end{Enumerate}

Several effects could smear the simple picture and lead to incorrect
conclusions. The main ones are:
\begin{Itemize}
\item Errors in the reconstruction of jet directions.
\item Additional $p_{\perp}$ caused by perturbative QCD branchings,
predominantly gluon emission.
\item The $p_{\perp}$ generated by the fragmentation process.
\item Secondary decays of unstable hadrons.
\end{Itemize} 

A convenient test bed for the relative importance of these effects 
is provided by $q\overline{q}g$ events. In symmetric three-jet events
at $Z^0$ energies, without any parton-shower activity, the 
gluon is correctly identified in 87\% of the cases. This should be
compared with the 33\% expected from a random picking among the
three alternatives. When complete $Z^0$ events events are
generated (with {\sc Pythia}~5.7 and {\sc Jetset}~7.4 \cite{Manual}),
three jets are found (in 10--20\% of the events) and the method
above is used, the success rate is around 55--60\%. The ``correct''
answer is here found by tracing the original quark and antiquark
through the shower history and associating them with the jets they 
are closest to in angle. The conclusion of this kind of studies is 
that the method does work, though maybe not as well as one might 
have hoped, and that the main cause of errors is the perturbative 
gluon emission.

The studies can be extended to four-jet $q\overline{q}gg$ events,
although the large number of colour flow topologies here makes the
method rather inefficient for selecting the correct topology. A more
modest objective is to establish differences between string and  
independent fragmentation \cite{indep} models. In the latter
approach, particle production is aligned along the direction 
connecting a parton with the origin in the c.m. frame of the event,
again with some smearing effects. This approach is already
disfavoured by the three-jet studies \cite{stringdata}, but
is a convenient reference. We have not completed a full
study, but can illustrate with results for a simple four-jet
cross topology with $q$ and $\overline{q}$ back-to-back. 
Fig.~\ref{fourjets}a gives the difference in $\sum p_{\perp}$
between the worst topology (where none of the string pieces
run the way assumed) and the right one. Results are for
charged particles, and the $\sum p_{\perp}$ has been normalized to the 
number $N$ of charged particles per event. The independent
fragmentation distribution is symmetric around the origin,
as it should,
while the string approach shows a clear offset. Without knowledge 
of the correct answer, one is reduced to studying a measure such
as the difference between the maximal and the minimal $\sum p_{\perp}$
among all the twelve possible topologies, Fig.~\ref{fourjets}b. 
By construction this is a positive number, also for independent 
fragmentation, but an additional shift is visible for the string 
approach. Identification of one or both quarks, e.g. by 
$b$ quark tagging or energy ordering (quarks are likely to have
higher energy than gluons), would cut down on the number of 
topologies to be compared and therefore enhance the signal.
Some experimental studies along these lines could therefore be 
interesting.

We now turn to the main application of this letter, namely 
four-jet $W^+W^-$ events. Since the two $W$ decay vertices
are less than or of the order of 0.1~fm apart, while typical
hadronic distances are of the order of 1~fm, the two $W$
decays occur almost on top of each other. QCD 
interconnection effects could appear at all stages of the process,
namely in the original perturbative parton cascades, in the
subsequent soft hadronization stage, and in the final hadronic
state. It can be shown that perturbative effects are strongly
suppressed \cite{SjoValery}, but no similar arguments hold for the
other two. Bose-Einstein effects in the hadronic state could 
be the largest individual source of $W$ mass uncertainty
\cite{LeifTor}, but it is the least well studied. The presence of
such Bose-Einstein effects presumably could be established from the
data itself, while reconnection in the hadronization stage 
is less easy to diagnose. We will study whether the $\sum p_{\perp}$ 
measure offers any help here.
 
The reconnection models used as references in this work are:
\begin{Enumerate}
\item Reconnection after the perturbative shower stage but before 
the hadronization, with reconnection occuring at the `origin' of the 
showering systems. This `intermediate' model is the simplest of the 
more realistic ones.
\item Reconnection when strings overlap based on cylindrical geometry. 
A `bag model' based on a type I superconductor analogy. The 
reconnection probability is proportional to the overlap integral 
between the field strengths, with each field having a Gaussian 
fall-off in the transverse direction, the radius being about 0.5~fm. 
The model contains a free strength parameter that can be modified to 
give any reconnection probability.
\item Reconnection when strings cross. In this model the strings mimic 
the behaviour of the vortex lines in a type II superconductor, where 
all topological information is given by a one-dimensional region at 
the core of the string.
\item Reconnections occur in such a way that the string `length' is 
minimized. As a measure of this length the so-called $\lambda$-measure 
is used, which essentially represents the rapidity range for particle 
production counted along the string. This can also be seen as a measure 
of the potential energy of the string.
\end{Enumerate}
Models 1 through 3 is described in \cite{SjoValery} and the last in 
\cite{GJari}. Further models have been proposed \cite{morerecon}.

For the study, events should have a clear four-jet structure. To achieve 
this we demand that each jet must have some minimum energy and that the 
angle between any jet pair must not be too small \cite{SjoValery}. 
When applied to the expected statistics of LEP~2, the number of events 
left after the cuts will be about 2500 per experiment; therefore 
statistics will be a problem when different models are compared with 
each other.

Three different algorithms are used to identify which jet pairs belong
together:
\begin{Enumerate}
\item The $q_1\overline{q}_2q_3\overline{q}_4$ configuration before 
parton showers can be matched one-to-one with the reconstructed jets 
after hadronization. This is done by minimizing the products of the 
four (jet+$q$) invariant masses. The original quark information is not 
available in an experimental situation, so this measure can only be 
used as a theory reference.
\item The invariant mass of jet pairs from the same $W$ should be close to 
the known $W$-mass of about 80~GeV. Among the three possible jet pairings,
therefore the one is selected which has minimal
$|m_{ij}-80|+|m_{kl}-80|$, where $i,j,k,l$ are the four jets.
We have picked this method rather than a few similar ones since it has
(marginally) the best correlation with the reference method above. 
This method is mainly probing the electroweak aspect of $W$ pair
production, namely the $W$ mass spectrum, while it should be less 
dependent on the QCD stages of showering and hadronization. 
\item The $\sum p_{\perp}$ method introduced in this letter provides an 
alternative measure, that rather should be sensitive to the QCD
stages and less so to the electroweak one. Without colour reconnection
it should (hopefully) agree with the previous two, while it could
give interesting differences if reconnection occurs.
\end{Enumerate}

The agreement between these three methods is shown in Table~\ref{agree},
with and without reconnection, the former for model 1. 
As should be expected, algorithm 2 comes
close to the ``correct'' answer of number 1, and is not significantly
affected by colour rearrangement. The $\sum p_{\perp}$ method, 
algorithm 3, shows the expected dependence on colour rearrangement, 
with a smaller success rate when colour rearrangement is included. 
Note, however, that the success rate does not drop below the naive 
33\% number, indicating that the $\sum p_{\perp}$ method is also 
picking up other aspects of events, such as the jet topology. 
The results in the table are for a 170~GeV energy, but we do not 
expect a significant energy dependence.

Both methods 2 and 3 can be applied to data, so therefore the 
correlation is an observable. The rate of reconnection 
could be extracted, by interpolation between the two extremes of no and
complete colour rearrangement. Statistically it should be feasible to
establish a signal for reconnections, if they occur at a rate above
the 10--20\% level. The systematic errors on the correlation method may 
be large, however, especially for the model-dependent change when 
reconnection is included. It is therefore important to study whether 
a differential distribution would better highlight qualitative 
differences. 

Algorithm 2 can be used to identify the best hypothesis for which
jets should be paired to form the two $W$'s, and also the worst 
hypothesis, where $|m_{ij}-80|+|m_{kl}-80|$ is maximal. The 
$\sum p_{\perp}$ can be calculated for each of these two extremes.
When the strings are reconnected, the first sum should
increase and the second one decrease relative to the 
no-reconnection case. The signal is therefore
enhanced by making use of the difference, $\Delta = %
(\sum p_{\perp})_{\mathrm{worst}} - (\sum p_{\perp})_{\mathrm{best}}$,
which should decrease in case of reconnection. The subtraction 
furthermore has the advantage of removing some spurious 
fluctuations from the comparison. The main example is high-momentum 
particles, where the assumed string hyperbolae  attach well
with the four jet directions and therefore all three string hypotheses
give the same contribution to $\sum p_{\perp}$. (Our studies show that 
particles with momenta above 3~GeV add little to the discrimination
between the string hypotheses.)  

The $\Delta$ measure is plotted for models 1--4 in Fig.~\ref{delta}. 
Note that the results for models 1 and 4 correspond to 100\%
reconnection, while the reconnection rate in models 2 and 3 is 
about 30\%. (The reconnection fraction could be varied in all 
models, but the effects of reconnection are not linear in this
fraction for models 2 and 3, so a reasonable value is preferred 
here.) All reconnection models show the expected shift
towards smaller $\Delta$ values, and the magnitude of the shift
is comparable once differences in assumed reconnection fractions
are removed. Remaining differences imply that one cannot
model-independently extract a reconnection rate from the data.  
The signal for reconnection may be enhanced, compared with the results 
of Table~\ref{agree}, by cuts on $\Delta$, e.g. by only considering
the fraction of events with $\Delta < 0$. This is at the price of a
reduced statistics, however, so the balance is not so clear. 
It may be better to use measures that gauge the full shape of the 
curve, given that the physics of the no-reconnection scenario is
presumed well-known (by extrapolation from the $Z^0$ results).

Prospects look promising to diagnose colour rearrangement along 
these lines but, as before, the combination of low effects and small
statistics could give marginal results. Furthermore, hopes should 
not be raised too high that this would immediately imply
a scheme to correct a $W$ mass measurements for the reconnection
effects: of the models above, number 3 shifts the $W$ mass 
downwards while the others shift it upwards \cite{SjoValery,workshop}, 
and yet they all shift the $\Delta$ distribution in the same 
direction. Clearly the study of reconnection effects ultimately 
must be based on a host of different measures, the 
$\sum p_{\perp}$ one and others.

It may be of some interest to understand why effects are not larger.
Several simulations have been performed with various simplified
toy models to study this issue \cite{Emanuel}. It turns out that 
there are two main mechanisms that smear distributions and make 
them less easily distinguished. One is parton showers, just as 
for the $Z^0 \to q \overline{q} g$ process studied above. 
The other is the geometry of the process, namely that the helicity
structure of the $W^+W^- \to q_1 \overline{q}_2 q_3 \overline{q}_4$
process is such that $q_1$ and $q_3$ tend to go in the same 
general direction, as do $\overline{q}_2$ and $\overline{q}_4$
\cite{GPW}. The overall change of string topology 
by reconnection therefore is not as drastic
as if the $q_1$ had tended to be close to $\overline{q}_4$
and vice versa. Had it been possible to remove these effects, 
i.e. study events without shower activity and with $q_1$ and
$\overline{q}_4$ reasonably close in angle, the original and the 
colour-reconnected $\Delta$ distributions would almost completely
separate. In practice, only a modest reduction of shower activity 
could be obtained by requiring that all four jets be reasonably 
narrow, while tagging of quark vs. antiquark (e.g. with charm) 
would leave very few events. Therefore no simple solutions
have been found.

In summary, we have introduced a $\sum p_{\perp}$ measure as a 
diagnostic of the colour topology of hadronic events. The 
fuzzy nature of hadronic final states somewhat limits the
usefulness of the method. In particular, the more drastic
effects associated with perturbative gluon emission tend to
obscure the subtler effects of different colour topologies. Therefore
the $\sum p_{\perp}$ measure is no panacea, but could still be
a useful addition to the (not so large) tool box of methods
to characterize the nonperturbative stage of hadronic events.
Applications include three- and four-jet events at $Z^0$ energies 
and, in particular, $W$ pair decay to four jets at LEP~2. In the
latter process, it could be possible to detect the effects of
colour reconnection with this approach. Further details on the
studies reported here may be found in \cite{Emanuel}.


\begin{thebibliography}{99}

\bibitem{Lundmod}
B. Andersson, G. Gustafson, G.~Ingelman and T.~Sj\"ostrand, 
Phys. Rep. {\bf 97}, 31 (1983)

\bibitem{BA+HUB}
B. Andersson and H.-U. Bengtsson, Lund preprint LU~TP~87--8 
(1987, unpublished)

\bibitem{stringtheory}
B. Andersson, G. Gustafson and T.~Sj\"ostrand, Phys. Lett. {\bf 94B}, 
211 (1980) 

\bibitem{stringdata}
JADE Collaboration, W. Bartel {\em et al.}, Phys. Lett. {\bf 101B}, 
129 (1981);\\  
J. Fuster, in {\em International Europhysics Conference on High 
Energy Physics, Brussels, Belgium, 27 Jul -- 2 Aug 1995}, eds. 
J. Lemonne, C. Vander Velde and F. Verbeure (World Scientific, 
Singapore, 1996), p. 319; 
T. Sj\"ostrand, {\em ibid.}, p. 572;
and references therein

\bibitem{dipoleeffect}
Ya.I. Azimov, Yu.L. Dokshitzer, V.A. Khoze and S.I.~Troyan,
Phys. Lett. {\bf 165B}, 147 (1985)

\bibitem{GPZ}
G. Gustafson, U. Pettersson and P.~Zerwas, Phys. Lett. {\bf B209}, 
90 (1988)

\bibitem{SjoValery}
T. Sj\"ostrand and V.A.~Khoze, Phys. Rev. Lett. {\bf 72}, 28 (1994), 
Z. Phys. {\bf C62}, 281 (1994)

\bibitem{workshop}
Z. Kunszt {\em et al.}, in {\em Physics at LEP2}, eds. G.~Altarelli, 
T.~Sj\"ostrand and F.~Zwirner, CERN 96--01, Vol. 1, p. 141

\bibitem{GJari}
G. Gustafson and J. H\"akkinen, Z. Phys. {\bf C64}, 659 (1994)

\bibitem{GPW}
A. Gaidot, J.P. Pansart and N.K. Watson, OPAL TN320 
(1995, unpublished)

\bibitem{JGerrata}
J. H\"akkinen, Lund University Ph.D. thesis (1996)

\bibitem{Manual}
T. Sj\"ostrand, Comput. Phys. Commun. {\bf 82}, 74 (1994)

\bibitem{indep}
P. Hoyer, P. Osland, H.G. Sander, T.F. Walsh and P.M. Zerwas,
Nucl. Phys. {\bf B161}, 349 (1979);\\
A. Ali, J.G. K\"orner, G, Kramer and J. Willrodt, 
Nucl. Phys. {\bf B168}, 409 (2980);\\
R. Odorico, Comput. Phys. Commun. {\bf 72}, 238 (1992)

\bibitem{LeifTor}
L. L\"onnblad and T. Sj\"ostrand, Phys. Lett. {\bf B351}, 293 (1995)

\bibitem{morerecon}
L. L\"onnblad, Z.Phys. {\bf C70}, 107 (1996);\\
I.G. Knowles {\em et al.}, in {\em Physics at LEP2}, eds. G.~Altarelli, 
T.~Sj\"ostrand and F.~Zwirner, CERN 96--01, Vol. 2, p. 103

\bibitem{Emanuel}
E. Norrbin, Lund preprint LU~TP~96--15 

\end{thebibliography}

\begin{table}
\begin{center}
\begin{tabular}{|c|cc||c|cc|}
\hline
\multicolumn{3}{|c||}{no reconnection} &
\multicolumn{3}{c|}{with reconnection (model 1)} \\ \hline
algorithm   & 1    & 2    & algorithm   & 1    & 2     \\ \hline
2  & 85\% & --   & 2  & 85\% & --    \\
3  & 68\% & 65\% & 3  & 46\% & 46\%  \\ \hline
\end{tabular}\vspace{2mm}
\caption[]{Fraction of agreement in jet pair identification 
between the three algorithms.}
\label{agree}
\end{center}
\end{table}

\begin{figure}
\begin{center}
\mbox{\epsfig{file=fig1a.eps, width=70mm}\hspace{10mm}%
\epsfig{file=fig1b.eps, width=70mm}}\\
\mbox{(a)\hspace{70mm}(b)}
\end{center}
\caption[]{The distribution of $\sum p_{\perp}/N$ for \textbf{a}: 
worst$-$right, and \textbf{b}: maximal$-$minimal, 
for Lund string (full) and independent (dashed) fragmentation 
respectively.}
\label{fourjets}
\end{figure}

\begin{figure}
\begin{center}
\mbox{\epsfig{file=fig2a.eps, width=70mm}\hspace{10mm}%
\epsfig{file=fig2b.eps, width=70mm}}\\
\mbox{(a)\hspace{70mm}(b)}\vspace{10mm}\\
\mbox{\epsfig{file=fig2c.eps, width=70mm}\hspace{10mm}%
\epsfig{file=fig2d.eps, width=70mm}}\\
\mbox{(c)\hspace{70mm}(d)}
\end{center}
\caption[]{Distribution of $\Delta = % 
(\sum p_{\perp})_{\mathrm{worst}} - (\sum p_{\perp})_{\mathrm{best}}$. 
Dashed lines are reconnected events according to models  
\textbf{a}: 1 (intermediate), \textbf{b}: 2 (bag model), 
\textbf{c}: 3 (type II superconductor), and \textbf{d}: 4 
($\lambda$-measure), while full lines always are without 
reconnection.}
\label{delta}
\end{figure}

\end{document}

