pair,contact1,contact2,flow1,flow2 3hch_A_,1,96,1,1 3hch_A_,3,4,1,1 3hch_A_,3,22,1,1 3hch_A_,5,8,1,1 3hch_A_,5,9,1,1 3hch_A_,6,10,1,1 3hch_A_,6,18,1,1 3hch_A_,7,11,1,1 3hch_A_,8,11,1,1 3hch_A_,8,12,1,1 3hch_A_,9,12,1,1 3hch_A_,9,13,1,1 3hch_A_,10,15,1,1 3hch_A_,14,17,1,1 3hch_A_,14,18,1,1 3hch_A_,15,19,1,1 3hch_A_,16,20,1,1 3hch_A_,17,21,1,1 3hch_A_,18,22,1,1 3hch_A_,19,23,1,1 3hch_A_,19,25,1,1 3hch_A_,21,22,1,1 3hch_A_,21,100,1,1 3hch_A_,27,65,1,1 3hch_A_,27,120,1,1 3hch_A_,27,121,1,1 3hch_A_,27,122,1,1 3hch_A_,28,31,1,1 3hch_A_,30,64,1,1 3hch_A_,32,34,1,1 3hch_A_,32,35,1,1 3hch_A_,33,36,1,1 3hch_A_,34,37,1,1 3hch_A_,34,58,1,1 3hch_A_,34,126,1,1 3hch_A_,37,58,1,1 3hch_A_,40,129,1,1 3hch_A_,41,55,1,1 3hch_A_,42,127,1,1 3hch_A_,43,52,1,1 3hch_A_,43,53,1,1 3hch_A_,44,125,1,1 3hch_A_,45,47,1,1 3hch_A_,45,48,1,1 3hch_A_,45,49,1,1 3hch_A_,45,50,1,1 3hch_A_,45,94,1,1 3hch_A_,45,99,1,1 3hch_A_,48,50,1,1 3hch_A_,49,137,1,1 3hch_A_,50,96,1,1 3hch_A_,51,76,1,1 3hch_A_,52,72,1,1 3hch_A_,54,56,1,1 3hch_A_,54,57,1,1 3hch_A_,54,143,1,1 3hch_A_,55,58,1,1 3hch_A_,55,145,1,1 3hch_A_,57,69,1,1 3hch_A_,59,67,1,1 3hch_A_,60,62,1,1 3hch_A_,61,63,1,1 3hch_A_,61,67,1,1 3hch_A_,63,65,1,1 3hch_A_,65,67,1,1 3hch_A_,66,119,1,1 3hch_A_,68,117,1,1 3hch_A_,70,72,1,1 3hch_A_,73,75,1,1 3hch_A_,73,76,1,1 3hch_A_,76,95,1,1 3hch_A_,78,93,1,1 3hch_A_,79,117,1,1 3hch_A_,80,91,1,1 3hch_A_,82,84,1,1 3hch_A_,82,89,1,1 3hch_A_,84,87,1,1 3hch_A_,88,90,1,1 3hch_A_,90,104,1,1 3hch_A_,91,93,1,1 3hch_A_,91,100,1,1 3hch_A_,92,101,1,1 3hch_A_,92,102,1,1 3hch_A_,93,98,1,1 3hch_A_,94,99,1,1 3hch_A_,101,120,1,1 3hch_A_,103,118,1,1 3hch_A_,105,116,1,1 3hch_A_,107,116,1,1 3hch_A_,108,114,1,1 3hch_A_,109,112,1,1 3hch_A_,109,114,1,1 3hch_A_,110,113,1,1 3hch_A_,120,123,1,1 3hch_A_,121,124,1,1 3hch_A_,128,131,1,1 3hch_A_,129,132,1,1 3hch_A_,132,137,1,1 3hch_A_,133,136,1,1 3hch_A_,137,140,1,1 3hch_A_,138,141,1,1 3hch_A_,140,143,1,1