pair,contact1,contact2,flow1,flow2 1a6s_A_,2,6,1,1 1a6s_A_,3,7,1,1 1a6s_A_,5,9,1,1 1a6s_A_,6,10,1,1 1a6s_A_,8,12,1,1 1a6s_A_,9,13,1,1 1a6s_A_,10,15,1,1 1a6s_A_,11,15,1,1 1a6s_A_,13,20,1,1 1a6s_A_,17,20,1,1 1a6s_A_,24,28,1,1 1a6s_A_,25,29,1,1 1a6s_A_,26,30,1,1 1a6s_A_,27,30,1,1 1a6s_A_,27,31,1,1 1a6s_A_,28,33,1,1 1a6s_A_,30,34,1,1 1a6s_A_,32,35,1,1 1a6s_A_,33,36,1,1 1a6s_A_,33,38,1,1 1a6s_A_,41,43,1,1 1a6s_A_,42,45,1,1 1a6s_A_,43,46,1,1 1a6s_A_,44,47,1,1 1a6s_A_,52,55,1,1 1a6s_A_,52,56,1,1 1a6s_A_,54,58,1,1 1a6s_A_,55,59,1,1 1a6s_A_,56,60,1,1 1a6s_A_,57,60,1,1 1a6s_A_,57,61,1,1 1a6s_A_,58,61,1,1 1a6s_A_,61,64,1,1 1a6s_A_,71,75,1,1 1a6s_A_,72,76,1,1 1a6s_A_,73,77,1,1 1a6s_A_,74,78,1,1 1a6s_A_,76,80,1,1 1a6s_A_,78,82,1,1 1a6s_A_,80,84,1,1 1a6s_A_,81,84,1,1 1a6s_A_,81,85,1,1 1a6s_A_,82,86,1,1 1a6s_A_,84,87,1,1