pair,contact1,contact2,flow1,flow2 1n9s_A_,1,4,1,1 1n9s_A_,5,7,1,1 1n9s_A_,6,24,1,1 1n9s_A_,7,24,1,1 1n9s_A_,8,66,1,1 1n9s_A_,9,22,1,1 1n9s_A_,10,64,1,1 1n9s_A_,11,20,1,1 1n9s_A_,12,61,1,1 1n9s_A_,12,62,1,1 1n9s_A_,13,18,1,1 1n9s_A_,14,58,1,1 1n9s_A_,14,59,1,1 1n9s_A_,16,17,1,1 1n9s_A_,16,18,1,1 1n9s_A_,17,43,1,1 1n9s_A_,19,21,1,1 1n9s_A_,19,41,1,1 1n9s_A_,19,64,1,1 1n9s_A_,21,39,1,1 1n9s_A_,23,36,1,1 1n9s_A_,25,34,1,1 1n9s_A_,26,34,1,1 1n9s_A_,27,28,1,1 1n9s_A_,28,30,1,1 1n9s_A_,28,31,1,1 1n9s_A_,32,57,1,1 1n9s_A_,33,55,1,1 1n9s_A_,34,52,1,1 1n9s_A_,35,53,1,1 1n9s_A_,38,50,1,1 1n9s_A_,40,47,1,1 1n9s_A_,40,48,1,1 1n9s_A_,42,45,1,1 1n9s_A_,46,48,1,1 1n9s_A_,56,59,1,1 1n9s_A_,57,60,1,1