pair,contact1,contact2,flow1,flow2 2ct4_A_,5,9,1,1 2ct4_A_,8,34,1,1 2ct4_A_,9,64,1,1 2ct4_A_,10,32,1,1 2ct4_A_,11,62,1,1 2ct4_A_,12,29,1,1 2ct4_A_,12,30,1,1 2ct4_A_,13,60,1,1 2ct4_A_,16,26,1,1 2ct4_A_,20,23,1,1 2ct4_A_,33,47,1,1 2ct4_A_,35,45,1,1 2ct4_A_,36,45,1,1 2ct4_A_,38,42,1,1 2ct4_A_,42,58,1,1 2ct4_A_,44,56,1,1 2ct4_A_,44,58,1,1 2ct4_A_,46,54,1,1 2ct4_A_,57,60,1,1 2ct4_A_,58,61,1,1 2ct4_A_,66,69,1,1