pair,contact1,contact2,flow1,flow2 6yih_B_,1,4,1,1 6yih_B_,2,6,1,1 6yih_B_,4,7,1,1 6yih_B_,5,9,1,1 6yih_B_,6,9,1,1 6yih_B_,6,10,1,1 6yih_B_,7,10,1,1 6yih_B_,8,11,1,1 6yih_B_,8,12,1,1 6yih_B_,9,13,1,1 6yih_B_,10,14,1,1 6yih_B_,11,15,1,1 6yih_B_,12,15,1,1 6yih_B_,12,16,1,1 6yih_B_,14,18,1,1 6yih_B_,15,19,1,1 6yih_B_,16,20,1,1 6yih_B_,17,21,1,1 6yih_B_,18,22,1,1 6yih_B_,19,23,1,1 6yih_B_,20,24,1,1 6yih_B_,21,25,1,1 6yih_B_,22,26,1,1 6yih_B_,23,27,1,1 6yih_B_,24,27,1,1 6yih_B_,24,28,1,1 6yih_B_,25,29,1,1 6yih_B_,26,30,1,1 6yih_B_,27,31,1,1 6yih_B_,28,32,1,1 6yih_B_,29,33,1,1 6yih_B_,30,34,1,1 6yih_B_,31,35,1,1 6yih_B_,32,35,1,1 6yih_B_,32,36,1,1 6yih_B_,33,37,1,1 6yih_B_,34,38,1,1 6yih_B_,35,39,1,1 6yih_B_,36,40,1,1 6yih_B_,37,41,1,1 6yih_B_,38,42,1,1 6yih_B_,39,43,1,1 6yih_B_,40,44,1,1 6yih_B_,42,45,1,1 6yih_B_,46,50,1,1 6yih_B_,47,51,1,1 6yih_B_,49,52,1,1 6yih_B_,53,56,1,1 6yih_B_,53,57,1,1 6yih_B_,54,58,1,1 6yih_B_,56,59,1,1