pair,contact1,contact2,flow1,flow2 1fs1_A_,2,30,1,1 1fs1_A_,4,30,1,1 1fs1_A_,5,9,1,1 1fs1_A_,6,10,1,1 1fs1_A_,6,30,1,1 1fs1_A_,7,11,1,1 1fs1_A_,8,12,1,1 1fs1_A_,9,13,1,1 1fs1_A_,10,14,1,1 1fs1_A_,11,14,1,1 1fs1_A_,11,15,1,1 1fs1_A_,12,15,1,1 1fs1_A_,13,16,1,1 1fs1_A_,17,20,1,1 1fs1_A_,18,21,1,1 1fs1_A_,19,22,1,1 1fs1_A_,20,23,1,1 1fs1_A_,20,24,1,1 1fs1_A_,21,25,1,1 1fs1_A_,23,26,1,1 1fs1_A_,24,27,1,1 1fs1_A_,28,32,1,1 1fs1_A_,29,33,1,1 1fs1_A_,30,34,1,1 1fs1_A_,31,35,1,1 1fs1_A_,33,36,1,1 1fs1_A_,34,37,1,1 1fs1_A_,35,41,1,1 1fs1_A_,37,39,1,1 1fs1_A_,37,40,1,1