8
( 1, 4 ) (2,3) (2,4)
{ 1; 4 )   {2;3)  {2;4)
Data Set 1: equal
data   set 1 :  EQUAL
Data Set 1: equal
DataSet 1: equal
Four color theorem
Four colour theorem
( ( ( ( ( ( ( (
( { ( [ [ [ [         [
  Doh,
  Doh;
dizzy, dizzy, (dizzy )
diZZy;  Dizzy ;  [ Dizzy  }
are you case sensitive
Are You cAse   SensItive