pair,contact1,contact2,flow1,flow2 8c2s_B_,2,4,1,1 8c2s_B_,2,5,1,1 8c2s_B_,3,7,1,1 8c2s_B_,4,8,1,1 8c2s_B_,5,9,1,1 8c2s_B_,6,10,1,1 8c2s_B_,7,11,1,1 8c2s_B_,8,12,1,1 8c2s_B_,9,13,1,1 8c2s_B_,10,14,1,1 8c2s_B_,11,15,1,1 8c2s_B_,12,16,1,1 8c2s_B_,13,17,1,1 8c2s_B_,14,18,1,1 8c2s_B_,15,19,1,1 8c2s_B_,16,20,1,1 8c2s_B_,23,61,1,1 8c2s_B_,23,62,1,1 8c2s_B_,24,54,1,1 8c2s_B_,29,66,1,1 8c2s_B_,30,33,1,1 8c2s_B_,30,66,1,1 8c2s_B_,31,34,1,1 8c2s_B_,32,36,1,1 8c2s_B_,33,37,1,1 8c2s_B_,34,38,1,1 8c2s_B_,35,39,1,1 8c2s_B_,36,40,1,1 8c2s_B_,37,41,1,1 8c2s_B_,42,45,1,1 8c2s_B_,44,131,1,1 8c2s_B_,45,48,1,1 8c2s_B_,46,49,1,1 8c2s_B_,47,50,1,1 8c2s_B_,54,59,1,1 8c2s_B_,56,59,1,1 8c2s_B_,57,60,1,1 8c2s_B_,61,89,1,1 8c2s_B_,63,89,1,1 8c2s_B_,63,91,1,1 8c2s_B_,65,91,1,1 8c2s_B_,65,93,1,1 8c2s_B_,68,96,1,1 8c2s_B_,69,110,1,1 8c2s_B_,70,73,1,1 8c2s_B_,71,74,1,1 8c2s_B_,73,77,1,1 8c2s_B_,74,78,1,1 8c2s_B_,75,79,1,1 8c2s_B_,76,80,1,1 8c2s_B_,77,81,1,1 8c2s_B_,78,82,1,1 8c2s_B_,78,116,1,1 8c2s_B_,79,83,1,1 8c2s_B_,80,84,1,1 8c2s_B_,82,88,1,1 8c2s_B_,84,88,1,1 8c2s_B_,90,120,1,1 8c2s_B_,92,98,1,1 8c2s_B_,92,121,1,1 8c2s_B_,92,123,1,1 8c2s_B_,94,97,1,1 8c2s_B_,94,98,1,1 8c2s_B_,94,123,1,1 8c2s_B_,95,99,1,1 8c2s_B_,95,125,1,1 8c2s_B_,97,113,1,1 8c2s_B_,101,104,1,1 8c2s_B_,104,111,1,1 8c2s_B_,106,108,1,1 8c2s_B_,106,111,1,1 8c2s_B_,110,112,1,1 8c2s_B_,111,115,1,1 8c2s_B_,113,116,1,1 8c2s_B_,113,117,1,1 8c2s_B_,120,143,1,1 8c2s_B_,129,131,1,1 8c2s_B_,129,133,1,1 8c2s_B_,130,134,1,1 8c2s_B_,131,135,1,1 8c2s_B_,132,136,1,1 8c2s_B_,133,137,1,1 8c2s_B_,134,138,1,1 8c2s_B_,135,139,1,1 8c2s_B_,136,140,1,1 8c2s_B_,137,141,1,1 8c2s_B_,138,142,1,1 8c2s_B_,139,143,1,1 8c2s_B_,140,144,1,1 8c2s_B_,141,145,1,1 8c2s_B_,142,146,1,1 8c2s_B_,145,147,1,1 8c2s_B_,148,152,1,1 8c2s_B_,149,153,1,1 8c2s_B_,150,154,1,1 8c2s_B_,151,155,1,1 8c2s_B_,153,156,1,1