None
Conclusion:
E,T,L:. S:Signature(E;T;L). u,v,w:T. Run(E;T;L;S) u v v w u w
1. u < w u = w2. u < w u = w3. u < w u = w4. u < w u = w
2. u < w u = w
3. u < w u = w
4. u < w u = w