pair,contact1,contact2,flow1,flow2
4yes_A_,2,5,1,1
4yes_A_,4,13,1,1
4yes_A_,8,11,1,1
4yes_A_,8,12,1,1
4yes_A_,8,13,1,1
4yes_A_,8,18,1,1
4yes_A_,11,14,1,1
4yes_A_,11,16,1,1
4yes_A_,12,15,1,1
4yes_A_,18,20,1,1
4yes_A_,18,21,1,1
4yes_A_,20,23,1,1
4yes_A_,21,25,1,1
4yes_A_,22,26,1,1
4yes_A_,23,27,1,1
4yes_A_,24,27,1,1
4yes_A_,25,28,1,1