pair,contact1,contact2,flow1,flow2
1oop_D_,1,3,1,1
1oop_D_,3,18,1,1
1oop_D_,5,16,1,1
1oop_D_,6,33,1,1
1oop_D_,7,14,1,1
1oop_D_,9,10,1,1
1oop_D_,16,17,1,1
1oop_D_,16,33,1,1
1oop_D_,24,27,1,1
1oop_D_,25,28,1,1
1oop_D_,34,36,1,1
1oop_D_,38,41,1,1
1oop_D_,39,42,1,1
1oop_D_,39,43,1,1
1oop_D_,40,44,1,1
1oop_D_,47,48,1,1