pair,contact1,contact2,flow1,flow2 2gid_B_,3,23,1,1 2gid_B_,5,21,1,1 2gid_B_,9,11,1,1 2gid_B_,9,18,1,1 2gid_B_,11,35,1,1 2gid_B_,13,16,1,1 2gid_B_,13,17,1,1 2gid_B_,14,17,1,1 2gid_B_,17,35,1,1 2gid_B_,19,32,1,1 2gid_B_,20,31,1,1 2gid_B_,20,33,1,1 2gid_B_,22,29,1,1 2gid_B_,24,27,1,1 2gid_B_,28,60,1,1 2gid_B_,29,31,1,1 2gid_B_,30,58,1,1 2gid_B_,32,56,1,1 2gid_B_,32,112,1,1 2gid_B_,34,51,1,1 2gid_B_,35,37,1,1 2gid_B_,40,47,1,1 2gid_B_,42,44,1,1 2gid_B_,42,45,1,1 2gid_B_,47,48,1,1 2gid_B_,51,53,1,1 2gid_B_,51,54,1,1 2gid_B_,54,104,1,1 2gid_B_,56,57,1,1 2gid_B_,61,64,1,1 2gid_B_,63,67,1,1 2gid_B_,64,68,1,1 2gid_B_,65,69,1,1 2gid_B_,66,69,1,1 2gid_B_,66,70,1,1 2gid_B_,67,71,1,1 2gid_B_,68,72,1,1 2gid_B_,69,73,1,1 2gid_B_,70,75,1,1 2gid_B_,71,74,1,1 2gid_B_,72,96,1,1 2gid_B_,73,129,1,1 2gid_B_,74,91,1,1 2gid_B_,79,89,1,1 2gid_B_,80,81,1,1 2gid_B_,82,85,1,1 2gid_B_,86,101,1,1 2gid_B_,88,99,1,1 2gid_B_,90,97,1,1 2gid_B_,94,118,1,1 2gid_B_,96,116,1,1 2gid_B_,96,125,1,1 2gid_B_,98,114,1,1 2gid_B_,100,112,1,1 2gid_B_,103,104,1,1 2gid_B_,104,110,1,1 2gid_B_,117,120,1,1 2gid_B_,118,121,1,1 2gid_B_,118,122,1,1 2gid_B_,119,122,1,1 2gid_B_,119,123,1,1 2gid_B_,120,123,1,1 2gid_B_,120,124,1,1 2gid_B_,122,126,1,1 2gid_B_,123,127,1,1 2gid_B_,124,128,1,1 2gid_B_,125,129,1,1 2gid_B_,126,130,1,1 2gid_B_,127,131,1,1 2gid_B_,128,132,1,1 2gid_B_,130,133,1,1 2gid_B_,130,134,1,1 2gid_B_,131,135,1,1 2gid_B_,132,135,1,1 2gid_B_,134,137,1,1 2gid_B_,134,139,1,1 2gid_B_,137,140,1,1 2gid_B_,138,142,1,1 2gid_B_,141,143,1,1