pair,contact1,contact2,flow1,flow2 2grp_A_,2,6,1,1 2grp_A_,3,7,1,1 2grp_A_,4,8,1,1 2grp_A_,5,9,1,1 2grp_A_,6,10,1,1 2grp_A_,7,11,1,1 2grp_A_,8,12,1,1 2grp_A_,8,68,1,1 2grp_A_,8,105,1,1 2grp_A_,8,107,1,1 2grp_A_,9,13,1,1 2grp_A_,10,14,1,1 2grp_A_,11,15,1,1 2grp_A_,12,16,1,1 2grp_A_,12,68,1,1 2grp_A_,13,17,1,1 2grp_A_,14,18,1,1 2grp_A_,15,19,1,1 2grp_A_,16,20,1,1 2grp_A_,21,24,1,1 2grp_A_,25,44,1,1 2grp_A_,27,42,1,1 2grp_A_,29,37,1,1 2grp_A_,29,40,1,1 2grp_A_,31,34,1,1 2grp_A_,31,35,1,1 2grp_A_,33,35,1,1 2grp_A_,37,40,1,1 2grp_A_,38,41,1,1 2grp_A_,39,64,1,1 2grp_A_,40,61,1,1 2grp_A_,41,62,1,1 2grp_A_,43,60,1,1 2grp_A_,45,58,1,1 2grp_A_,46,117,1,1 2grp_A_,47,56,1,1 2grp_A_,48,51,1,1 2grp_A_,50,54,1,1 2grp_A_,51,53,1,1 2grp_A_,51,54,1,1 2grp_A_,53,56,1,1 2grp_A_,57,155,1,1 2grp_A_,59,78,1,1 2grp_A_,61,76,1,1 2grp_A_,61,78,1,1 2grp_A_,63,74,1,1 2grp_A_,65,68,1,1 2grp_A_,67,70,1,1 2grp_A_,67,71,1,1 2grp_A_,69,103,1,1 2grp_A_,75,92,1,1 2grp_A_,77,90,1,1 2grp_A_,81,130,1,1 2grp_A_,82,151,1,1 2grp_A_,83,85,1,1 2grp_A_,83,86,1,1 2grp_A_,83,119,1,1 2grp_A_,84,129,1,1 2grp_A_,84,130,1,1 2grp_A_,85,124,1,1 2grp_A_,85,127,1,1 2grp_A_,86,130,1,1 2grp_A_,87,90,1,1 2grp_A_,87,91,1,1 2grp_A_,89,91,1,1 2grp_A_,94,97,1,1 2grp_A_,95,98,1,1 2grp_A_,95,102,1,1 2grp_A_,98,101,1,1 2grp_A_,98,103,1,1 2grp_A_,104,107,1,1 2grp_A_,106,111,1,1 2grp_A_,108,111,1,1 2grp_A_,108,112,1,1 2grp_A_,109,113,1,1 2grp_A_,110,114,1,1 2grp_A_,111,115,1,1 2grp_A_,112,116,1,1 2grp_A_,113,117,1,1 2grp_A_,114,118,1,1 2grp_A_,115,119,1,1 2grp_A_,116,120,1,1 2grp_A_,117,120,1,1 2grp_A_,118,122,1,1 2grp_A_,124,126,1,1 2grp_A_,124,127,1,1 2grp_A_,130,133,1,1 2grp_A_,131,135,1,1 2grp_A_,132,136,1,1 2grp_A_,133,137,1,1 2grp_A_,134,138,1,1 2grp_A_,135,139,1,1 2grp_A_,136,140,1,1 2grp_A_,137,141,1,1 2grp_A_,140,143,1,1 2grp_A_,140,144,1,1 2grp_A_,141,145,1,1 2grp_A_,142,146,1,1 2grp_A_,143,147,1,1 2grp_A_,144,148,1,1 2grp_A_,145,149,1,1 2grp_A_,146,150,1,1 2grp_A_,147,151,1,1 2grp_A_,148,152,1,1 2grp_A_,149,153,1,1 2grp_A_,150,154,1,1 2grp_A_,151,155,1,1 2grp_A_,153,156,1,1