pair,contact1,contact2,flow1,flow2 2rid_A_,1,5,1,1 2rid_A_,2,6,1,1 2rid_A_,3,7,1,1 2rid_A_,4,8,1,1 2rid_A_,5,8,1,1 2rid_A_,5,9,1,1 2rid_A_,6,10,1,1 2rid_A_,7,11,1,1 2rid_A_,8,12,1,1 2rid_A_,9,13,1,1 2rid_A_,10,14,1,1 2rid_A_,11,15,1,1 2rid_A_,12,16,1,1 2rid_A_,13,17,1,1 2rid_A_,14,18,1,1 2rid_A_,15,19,1,1 2rid_A_,16,20,1,1 2rid_A_,17,21,1,1 2rid_A_,18,22,1,1 2rid_A_,19,23,1,1 2rid_A_,20,24,1,1 2rid_A_,21,25,1,1 2rid_A_,22,26,1,1 2rid_A_,23,26,1,1 2rid_A_,24,38,1,1 2rid_A_,25,29,1,1 2rid_A_,27,79,1,1 2rid_A_,28,39,1,1 2rid_A_,28,79,1,1 2rid_A_,30,37,1,1 2rid_A_,32,35,1,1 2rid_A_,35,68,1,1 2rid_A_,35,146,1,1 2rid_A_,36,147,1,1 2rid_A_,38,145,1,1 2rid_A_,39,41,1,1 2rid_A_,39,143,1,1 2rid_A_,40,143,1,1 2rid_A_,42,143,1,1 2rid_A_,44,141,1,1 2rid_A_,45,49,1,1 2rid_A_,46,50,1,1 2rid_A_,46,137,1,1 2rid_A_,47,51,1,1 2rid_A_,48,52,1,1 2rid_A_,49,53,1,1 2rid_A_,50,54,1,1 2rid_A_,51,54,1,1 2rid_A_,51,55,1,1 2rid_A_,52,56,1,1 2rid_A_,53,56,1,1 2rid_A_,53,58,1,1 2rid_A_,54,57,1,1 2rid_A_,59,146,1,1 2rid_A_,60,62,1,1 2rid_A_,61,86,1,1 2rid_A_,61,144,1,1 2rid_A_,62,86,1,1 2rid_A_,62,146,1,1 2rid_A_,64,68,1,1 2rid_A_,64,102,1,1 2rid_A_,65,68,1,1 2rid_A_,65,69,1,1 2rid_A_,66,70,1,1 2rid_A_,67,71,1,1 2rid_A_,68,72,1,1 2rid_A_,69,73,1,1 2rid_A_,69,130,1,1 2rid_A_,69,132,1,1 2rid_A_,70,74,1,1 2rid_A_,71,74,1,1 2rid_A_,72,76,1,1 2rid_A_,73,77,1,1 2rid_A_,73,128,1,1 2rid_A_,74,78,1,1 2rid_A_,75,79,1,1 2rid_A_,76,81,1,1 2rid_A_,77,80,1,1 2rid_A_,82,142,1,1 2rid_A_,83,126,1,1 2rid_A_,84,142,1,1 2rid_A_,85,124,1,1 2rid_A_,88,97,1,1 2rid_A_,89,94,1,1 2rid_A_,89,122,1,1 2rid_A_,92,95,1,1 2rid_A_,98,101,1,1 2rid_A_,98,102,1,1 2rid_A_,98,105,1,1 2rid_A_,100,102,1,1 2rid_A_,108,130,1,1 2rid_A_,108,131,1,1 2rid_A_,108,132,1,1 2rid_A_,110,113,1,1 2rid_A_,110,132,1,1 2rid_A_,115,117,1,1 2rid_A_,115,134,1,1 2rid_A_,116,119,1,1 2rid_A_,116,121,1,1 2rid_A_,116,134,1,1 2rid_A_,117,121,1,1 2rid_A_,123,135,1,1 2rid_A_,125,133,1,1 2rid_A_,125,141,1,1 2rid_A_,127,130,1,1 2rid_A_,127,131,1,1 2rid_A_,129,131,1,1 2rid_A_,136,139,1,1 2rid_A_,140,141,1,1