pair,contact1,contact2,flow1,flow2 7tcy_A_,1,5,1,1 7tcy_A_,2,6,1,1 7tcy_A_,3,7,1,1 7tcy_A_,4,8,1,1 7tcy_A_,5,9,1,1 7tcy_A_,6,10,1,1 7tcy_A_,6,31,1,1 7tcy_A_,7,11,1,1 7tcy_A_,8,12,1,1 7tcy_A_,9,13,1,1 7tcy_A_,10,13,1,1 7tcy_A_,14,17,1,1 7tcy_A_,18,21,1,1 7tcy_A_,18,22,1,1 7tcy_A_,19,23,1,1 7tcy_A_,20,24,1,1 7tcy_A_,21,25,1,1 7tcy_A_,22,26,1,1 7tcy_A_,23,27,1,1 7tcy_A_,24,28,1,1 7tcy_A_,25,29,1,1 7tcy_A_,26,29,1,1 7tcy_A_,26,31,1,1 7tcy_A_,27,30,1,1 7tcy_A_,29,32,1,1 7tcy_A_,32,35,1,1 7tcy_A_,32,36,1,1 7tcy_A_,33,37,1,1 7tcy_A_,34,38,1,1 7tcy_A_,35,39,1,1 7tcy_A_,36,40,1,1 7tcy_A_,37,41,1,1 7tcy_A_,38,42,1,1 7tcy_A_,39,43,1,1 7tcy_A_,40,44,1,1 7tcy_A_,41,45,1,1 7tcy_A_,41,65,1,1 7tcy_A_,42,46,1,1 7tcy_A_,43,47,1,1 7tcy_A_,43,53,1,1 7tcy_A_,44,48,1,1 7tcy_A_,45,49,1,1 7tcy_A_,46,50,1,1 7tcy_A_,52,55,1,1 7tcy_A_,52,56,1,1 7tcy_A_,53,57,1,1 7tcy_A_,54,58,1,1 7tcy_A_,55,59,1,1 7tcy_A_,56,60,1,1 7tcy_A_,57,61,1,1 7tcy_A_,58,62,1,1 7tcy_A_,59,63,1,1 7tcy_A_,60,65,1,1 7tcy_A_,61,64,1,1 7tcy_A_,63,66,1,1 7tcy_A_,66,68,1,1 7tcy_A_,66,69,1,1 7tcy_A_,66,70,1,1 7tcy_A_,67,71,1,1 7tcy_A_,68,72,1,1 7tcy_A_,69,73,1,1 7tcy_A_,70,74,1,1 7tcy_A_,71,75,1,1 7tcy_A_,73,76,1,1