pair,contact1,contact2,flow1,flow2 1bcg_A_,1,2,1,1 1bcg_A_,3,53,1,1 1bcg_A_,3,55,1,1 1bcg_A_,3,57,1,1 1bcg_A_,4,52,1,1 1bcg_A_,4,71,1,1 1bcg_A_,5,50,1,1 1bcg_A_,6,44,1,1 1bcg_A_,6,60,1,1 1bcg_A_,6,70,1,1 1bcg_A_,8,58,1,1 1bcg_A_,9,11,1,1 1bcg_A_,9,12,1,1 1bcg_A_,9,13,1,1 1bcg_A_,15,48,1,1 1bcg_A_,17,43,1,1 1bcg_A_,17,46,1,1 1bcg_A_,18,21,1,1 1bcg_A_,19,22,1,1 1bcg_A_,19,23,1,1 1bcg_A_,20,24,1,1 1bcg_A_,25,29,1,1 1bcg_A_,26,30,1,1 1bcg_A_,27,31,1,1 1bcg_A_,28,32,1,1 1bcg_A_,29,33,1,1 1bcg_A_,29,41,1,1 1bcg_A_,30,33,1,1 1bcg_A_,30,34,1,1 1bcg_A_,31,35,1,1 1bcg_A_,31,36,1,1 1bcg_A_,32,38,1,1 1bcg_A_,32,49,1,1 1bcg_A_,39,51,1,1 1bcg_A_,40,51,1,1 1bcg_A_,40,74,1,1 1bcg_A_,42,44,1,1 1bcg_A_,42,49,1,1 1bcg_A_,42,70,1,1 1bcg_A_,44,47,1,1 1bcg_A_,49,71,1,1 1bcg_A_,54,57,1,1 1bcg_A_,63,67,1,1 1bcg_A_,64,68,1,1 1bcg_A_,65,69,1,1 1bcg_A_,66,70,1,1 1bcg_A_,67,71,1,1