pair,contact1,contact2,flow1,flow2 1wih_A_,1,28,1,1 1wih_A_,6,8,1,1 1wih_A_,11,22,1,1 1wih_A_,13,20,1,1 1wih_A_,15,18,1,1 1wih_A_,27,39,1,1 1wih_A_,29,37,1,1 1wih_A_,31,35,1,1 1wih_A_,32,34,1,1 1wih_A_,34,74,1,1 1wih_A_,36,72,1,1 1wih_A_,38,70,1,1 1wih_A_,39,41,1,1 1wih_A_,40,43,1,1 1wih_A_,40,68,1,1 1wih_A_,43,46,1,1 1wih_A_,46,50,1,1 1wih_A_,47,51,1,1 1wih_A_,48,52,1,1 1wih_A_,49,53,1,1 1wih_A_,50,54,1,1 1wih_A_,51,55,1,1 1wih_A_,52,56,1,1 1wih_A_,54,57,1,1 1wih_A_,59,61,1,1 1wih_A_,64,71,1,1 1wih_A_,66,69,1,1