pair,contact1,contact2,flow1,flow2 2k7c_A_,5,8,1,1 2k7c_A_,5,9,1,1 2k7c_A_,6,9,1,1 2k7c_A_,6,10,1,1 2k7c_A_,7,11,1,1 2k7c_A_,8,12,1,1 2k7c_A_,9,13,1,1 2k7c_A_,10,14,1,1 2k7c_A_,11,14,1,1 2k7c_A_,11,15,1,1 2k7c_A_,12,16,1,1 2k7c_A_,13,17,1,1 2k7c_A_,24,61,1,1 2k7c_A_,25,29,1,1 2k7c_A_,26,30,1,1 2k7c_A_,27,31,1,1 2k7c_A_,28,32,1,1 2k7c_A_,29,33,1,1 2k7c_A_,30,34,1,1 2k7c_A_,31,35,1,1 2k7c_A_,32,36,1,1 2k7c_A_,36,38,1,1 2k7c_A_,42,45,1,1 2k7c_A_,43,47,1,1 2k7c_A_,44,48,1,1 2k7c_A_,45,49,1,1 2k7c_A_,46,50,1,1 2k7c_A_,48,51,1,1 2k7c_A_,48,52,1,1 2k7c_A_,62,65,1,1 2k7c_A_,62,66,1,1 2k7c_A_,63,67,1,1 2k7c_A_,64,68,1,1 2k7c_A_,65,69,1,1 2k7c_A_,66,70,1,1 2k7c_A_,67,71,1,1 2k7c_A_,69,72,1,1