pair,contact1,contact2,flow1,flow2 1f1b_B_,6,8,1,1 1f1b_B_,13,87,1,1 1f1b_B_,13,89,1,1 1f1b_B_,15,86,1,1 1f1b_B_,16,61,1,1 1f1b_B_,16,64,1,1 1f1b_B_,17,84,1,1 1f1b_B_,18,59,1,1 1f1b_B_,19,56,1,1 1f1b_B_,19,82,1,1 1f1b_B_,22,25,1,1 1f1b_B_,24,27,1,1 1f1b_B_,24,47,1,1 1f1b_B_,25,29,1,1 1f1b_B_,26,57,1,1 1f1b_B_,27,30,1,1 1f1b_B_,28,31,1,1 1f1b_B_,28,32,1,1 1f1b_B_,31,34,1,1 1f1b_B_,34,37,1,1 1f1b_B_,36,38,1,1 1f1b_B_,38,40,1,1 1f1b_B_,41,62,1,1 1f1b_B_,43,60,1,1 1f1b_B_,45,48,1,1 1f1b_B_,45,58,1,1 1f1b_B_,48,56,1,1 1f1b_B_,49,50,1,1 1f1b_B_,50,54,1,1 1f1b_B_,51,54,1,1 1f1b_B_,62,64,1,1 1f1b_B_,67,69,1,1 1f1b_B_,67,70,1,1 1f1b_B_,67,71,1,1 1f1b_B_,68,72,1,1 1f1b_B_,69,73,1,1 1f1b_B_,70,73,1,1 1f1b_B_,71,74,1,1 1f1b_B_,72,75,1,1 1f1b_B_,72,98,1,1 1f1b_B_,74,77,1,1 1f1b_B_,74,78,1,1 1f1b_B_,80,96,1,1 1f1b_B_,81,96,1,1 1f1b_B_,82,83,1,1 1f1b_B_,82,95,1,1 1f1b_B_,83,95,1,1 1f1b_B_,84,94,1,1 1f1b_B_,85,93,1,1 1f1b_B_,87,90,1,1 1f1b_B_,90,92,1,1 1f1b_B_,101,127,1,1 1f1b_B_,103,125,1,1 1f1b_B_,104,124,1,1 1f1b_B_,105,122,1,1 1f1b_B_,105,123,1,1 1f1b_B_,107,123,1,1 1f1b_B_,108,151,1,1 1f1b_B_,111,113,1,1 1f1b_B_,111,114,1,1 1f1b_B_,114,116,1,1 1f1b_B_,114,117,1,1 1f1b_B_,115,119,1,1 1f1b_B_,119,121,1,1 1f1b_B_,124,139,1,1 1f1b_B_,126,137,1,1 1f1b_B_,128,135,1,1 1f1b_B_,134,147,1,1 1f1b_B_,136,145,1,1 1f1b_B_,138,142,1,1 1f1b_B_,138,143,1,1 1f1b_B_,146,149,1,1