pair,contact1,contact2,flow1,flow2 1c6s_A_,2,5,1,1 1c6s_A_,3,7,1,1 1c6s_A_,4,8,1,1 1c6s_A_,5,9,1,1 1c6s_A_,6,9,1,1 1c6s_A_,6,10,1,1 1c6s_A_,7,11,1,1 1c6s_A_,9,12,1,1 1c6s_A_,9,14,1,1 1c6s_A_,13,16,1,1 1c6s_A_,14,17,1,1 1c6s_A_,15,18,1,1 1c6s_A_,17,24,1,1 1c6s_A_,23,26,1,1 1c6s_A_,23,30,1,1 1c6s_A_,35,38,1,1 1c6s_A_,35,39,1,1 1c6s_A_,43,46,1,1 1c6s_A_,43,47,1,1 1c6s_A_,44,48,1,1 1c6s_A_,45,49,1,1 1c6s_A_,46,49,1,1 1c6s_A_,46,50,1,1 1c6s_A_,48,51,1,1 1c6s_A_,48,52,1,1 1c6s_A_,55,58,1,1 1c6s_A_,61,64,1,1 1c6s_A_,67,70,1,1 1c6s_A_,67,71,1,1 1c6s_A_,68,72,1,1 1c6s_A_,69,73,1,1 1c6s_A_,71,74,1,1 1c6s_A_,71,75,1,1 1c6s_A_,73,77,1,1 1c6s_A_,74,78,1,1 1c6s_A_,76,79,1,1 1c6s_A_,76,80,1,1 1c6s_A_,77,81,1,1 1c6s_A_,80,83,1,1 1c6s_A_,84,87,1,1