pair,contact1,contact2,flow1,flow2 2nce_A_,1,3,1,1 2nce_A_,1,100,1,1 2nce_A_,2,4,1,1 2nce_A_,4,125,1,1 2nce_A_,5,7,1,1 2nce_A_,7,27,1,1 2nce_A_,8,121,1,1 2nce_A_,9,24,1,1 2nce_A_,9,25,1,1 2nce_A_,10,119,1,1 2nce_A_,11,22,1,1 2nce_A_,12,117,1,1 2nce_A_,13,20,1,1 2nce_A_,15,18,1,1 2nce_A_,19,75,1,1 2nce_A_,21,73,1,1 2nce_A_,23,71,1,1 2nce_A_,24,69,1,1 2nce_A_,24,70,1,1 2nce_A_,26,67,1,1 2nce_A_,27,138,1,1 2nce_A_,28,66,1,1 2nce_A_,29,65,1,1 2nce_A_,32,37,1,1 2nce_A_,33,36,1,1 2nce_A_,33,37,1,1 2nce_A_,38,64,1,1 2nce_A_,39,93,1,1 2nce_A_,40,69,1,1 2nce_A_,41,91,1,1 2nce_A_,42,58,1,1 2nce_A_,43,89,1,1 2nce_A_,44,56,1,1 2nce_A_,45,87,1,1 2nce_A_,45,89,1,1 2nce_A_,47,85,1,1 2nce_A_,49,51,1,1 2nce_A_,49,54,1,1 2nce_A_,49,55,1,1 2nce_A_,51,53,1,1 2nce_A_,53,54,1,1 2nce_A_,62,63,1,1 2nce_A_,64,66,1,1 2nce_A_,76,77,1,1 2nce_A_,76,81,1,1 2nce_A_,77,81,1,1 2nce_A_,78,81,1,1 2nce_A_,79,82,1,1 2nce_A_,80,83,1,1 2nce_A_,81,84,1,1 2nce_A_,82,110,1,1 2nce_A_,86,107,1,1 2nce_A_,87,129,1,1 2nce_A_,88,105,1,1 2nce_A_,89,91,1,1 2nce_A_,90,103,1,1 2nce_A_,92,99,1,1 2nce_A_,92,100,1,1 2nce_A_,104,124,1,1 2nce_A_,106,121,1,1 2nce_A_,106,132,1,1 2nce_A_,108,112,1,1 2nce_A_,109,113,1,1 2nce_A_,111,114,1,1 2nce_A_,111,115,1,1 2nce_A_,120,136,1,1 2nce_A_,121,134,1,1 2nce_A_,122,123,1,1 2nce_A_,125,128,1,1 2nce_A_,125,129,1,1 2nce_A_,128,131,1,1 2nce_A_,128,132,1,1