pair,contact1,contact2,flow1,flow2 2yt1_A_,12,14,1,1 2yt1_A_,12,15,1,1 2yt1_A_,12,16,1,1 2yt1_A_,14,18,1,1 2yt1_A_,15,19,1,1 2yt1_A_,16,20,1,1 2yt1_A_,17,178,1,1 2yt1_A_,18,22,1,1 2yt1_A_,19,22,1,1 2yt1_A_,19,23,1,1 2yt1_A_,20,23,1,1 2yt1_A_,22,146,1,1 2yt1_A_,26,143,1,1 2yt1_A_,28,140,1,1 2yt1_A_,28,141,1,1 2yt1_A_,29,33,1,1 2yt1_A_,30,34,1,1 2yt1_A_,31,35,1,1 2yt1_A_,32,35,1,1 2yt1_A_,32,36,1,1 2yt1_A_,39,40,1,1 2yt1_A_,51,52,1,1 2yt1_A_,71,115,1,1 2yt1_A_,73,113,1,1 2yt1_A_,75,111,1,1 2yt1_A_,76,105,1,1 2yt1_A_,76,108,1,1 2yt1_A_,76,169,1,1 2yt1_A_,77,109,1,1 2yt1_A_,78,167,1,1 2yt1_A_,81,165,1,1 2yt1_A_,86,141,1,1 2yt1_A_,88,91,1,1 2yt1_A_,88,92,1,1 2yt1_A_,89,93,1,1 2yt1_A_,91,95,1,1 2yt1_A_,92,96,1,1 2yt1_A_,93,97,1,1 2yt1_A_,94,98,1,1 2yt1_A_,95,99,1,1 2yt1_A_,96,100,1,1 2yt1_A_,97,101,1,1 2yt1_A_,98,102,1,1 2yt1_A_,99,103,1,1 2yt1_A_,103,108,1,1 2yt1_A_,104,107,1,1 2yt1_A_,112,123,1,1 2yt1_A_,114,121,1,1 2yt1_A_,116,119,1,1 2yt1_A_,118,137,1,1 2yt1_A_,120,135,1,1 2yt1_A_,122,133,1,1 2yt1_A_,124,127,1,1 2yt1_A_,136,139,1,1 2yt1_A_,136,140,1,1 2yt1_A_,142,155,1,1 2yt1_A_,144,153,1,1 2yt1_A_,146,151,1,1 2yt1_A_,148,151,1,1 2yt1_A_,150,170,1,1 2yt1_A_,152,168,1,1 2yt1_A_,154,166,1,1 2yt1_A_,156,164,1,1 2yt1_A_,164,166,1,1 2yt1_A_,174,178,1,1 2yt1_A_,175,178,1,1 2yt1_A_,177,181,1,1 2yt1_A_,179,183,1,1 2yt1_A_,181,184,1,1 2yt1_A_,181,185,1,1 2yt1_A_,182,185,1,1