pair,contact1,contact2,flow1,flow2 1pba_A_,2,5,1,1 1pba_A_,4,5,1,1 1pba_A_,8,9,1,1 1pba_A_,8,10,1,1 1pba_A_,11,65,1,1 1pba_A_,14,76,1,1 1pba_A_,15,52,1,1 1pba_A_,16,74,1,1 1pba_A_,17,50,1,1 1pba_A_,18,49,1,1 1pba_A_,18,74,1,1 1pba_A_,19,21,1,1 1pba_A_,19,23,1,1 1pba_A_,20,24,1,1 1pba_A_,20,47,1,1 1pba_A_,22,25,1,1 1pba_A_,22,26,1,1 1pba_A_,23,27,1,1 1pba_A_,25,28,1,1 1pba_A_,25,71,1,1 1pba_A_,28,31,1,1 1pba_A_,29,32,1,1 1pba_A_,30,33,1,1 1pba_A_,33,36,1,1 1pba_A_,34,57,1,1 1pba_A_,34,60,1,1 1pba_A_,36,55,1,1 1pba_A_,38,53,1,1 1pba_A_,39,53,1,1 1pba_A_,41,43,1,1 1pba_A_,42,44,1,1 1pba_A_,42,45,1,1 1pba_A_,43,46,1,1 1pba_A_,46,47,1,1 1pba_A_,53,54,1,1 1pba_A_,54,55,1,1 1pba_A_,57,60,1,1 1pba_A_,58,60,1,1 1pba_A_,60,63,1,1 1pba_A_,61,65,1,1 1pba_A_,62,66,1,1 1pba_A_,63,67,1,1 1pba_A_,64,68,1,1 1pba_A_,66,69,1,1 1pba_A_,66,70,1,1 1pba_A_,67,71,1,1 1pba_A_,68,73,1,1 1pba_A_,69,72,1,1 1pba_A_,71,73,1,1