Cycle ()
0 -   (1 = )
0 -  (1 = )
1 -  (1 = )
5 -  
A=1 B=1 C=1 D=1 E=1
A -> B=10 E=1
B -> A=10 C=2
C -> B=2 D=1
D -> C=1 E=1
E -> A=1 D=1

