pair,contact1,contact2,flow1,flow2 7bwd_A_,6,9,1,1 7bwd_A_,10,13,1,1 7bwd_A_,10,14,1,1 7bwd_A_,11,15,1,1 7bwd_A_,12,16,1,1 7bwd_A_,14,17,1,1 7bwd_A_,14,18,1,1 7bwd_A_,26,57,1,1 7bwd_A_,28,32,1,1 7bwd_A_,29,33,1,1 7bwd_A_,30,34,1,1 7bwd_A_,32,35,1,1 7bwd_A_,32,36,1,1 7bwd_A_,35,39,1,1 7bwd_A_,37,40,1,1 7bwd_A_,42,44,1,1 7bwd_A_,43,44,1,1 7bwd_A_,49,52,1,1 7bwd_A_,51,55,1,1 7bwd_A_,52,56,1,1 7bwd_A_,54,57,1,1 7bwd_A_,55,58,1,1 7bwd_A_,56,59,1,1 7bwd_A_,57,60,1,1 7bwd_A_,58,62,1,1 7bwd_A_,60,63,1,1 7bwd_A_,60,64,1,1 7bwd_A_,63,67,1,1 7bwd_A_,64,68,1,1 7bwd_A_,65,69,1,1 7bwd_A_,66,95,1,1 7bwd_A_,67,71,1,1 7bwd_A_,70,74,1,1 7bwd_A_,71,75,1,1 7bwd_A_,71,87,1,1 7bwd_A_,72,75,1,1 7bwd_A_,72,76,1,1 7bwd_A_,73,77,1,1 7bwd_A_,75,78,1,1 7bwd_A_,75,80,1,1 7bwd_A_,76,79,1,1 7bwd_A_,80,87,1,1 7bwd_A_,84,87,1,1 7bwd_A_,88,92,1,1 7bwd_A_,89,93,1,1 7bwd_A_,90,94,1,1