pair,contact1,contact2,flow1,flow2 2n1w_A_,1,4,1,1 2n1w_A_,2,4,1,1 2n1w_A_,4,5,1,1 2n1w_A_,7,8,1,1 2n1w_A_,9,11,1,1 2n1w_A_,13,35,1,1 2n1w_A_,14,16,1,1 2n1w_A_,15,17,1,1 2n1w_A_,16,35,1,1 2n1w_A_,16,36,1,1 2n1w_A_,18,34,1,1 2n1w_A_,19,81,1,1 2n1w_A_,20,32,1,1 2n1w_A_,21,82,1,1 2n1w_A_,21,84,1,1 2n1w_A_,22,30,1,1 2n1w_A_,23,84,1,1 2n1w_A_,23,86,1,1 2n1w_A_,24,27,1,1 2n1w_A_,24,28,1,1 2n1w_A_,25,86,1,1 2n1w_A_,25,88,1,1 2n1w_A_,26,28,1,1 2n1w_A_,35,38,1,1 2n1w_A_,39,42,1,1 2n1w_A_,40,44,1,1 2n1w_A_,40,71,1,1 2n1w_A_,41,45,1,1 2n1w_A_,42,46,1,1 2n1w_A_,43,47,1,1 2n1w_A_,44,48,1,1 2n1w_A_,45,49,1,1 2n1w_A_,45,69,1,1 2n1w_A_,46,50,1,1 2n1w_A_,47,51,1,1 2n1w_A_,48,52,1,1 2n1w_A_,48,53,1,1 2n1w_A_,54,57,1,1 2n1w_A_,54,58,1,1 2n1w_A_,57,89,1,1 2n1w_A_,59,87,1,1 2n1w_A_,60,67,1,1 2n1w_A_,61,85,1,1 2n1w_A_,62,65,1,1 2n1w_A_,68,71,1,1 2n1w_A_,72,75,1,1 2n1w_A_,72,76,1,1 2n1w_A_,73,78,1,1 2n1w_A_,79,82,1,1 2n1w_A_,82,83,1,1 2n1w_A_,87,89,1,1