pair,contact1,contact2,flow1,flow2 2vrg_A_,2,5,1,1 2vrg_A_,2,6,1,1 2vrg_A_,4,5,1,1 2vrg_A_,4,7,1,1 2vrg_A_,6,10,1,1 2vrg_A_,7,11,1,1 2vrg_A_,8,12,1,1 2vrg_A_,12,15,1,1 2vrg_A_,14,25,1,1 2vrg_A_,17,19,1,1 2vrg_A_,19,21,1,1 2vrg_A_,22,70,1,1 2vrg_A_,23,25,1,1 2vrg_A_,23,26,1,1 2vrg_A_,23,27,1,1 2vrg_A_,25,28,1,1 2vrg_A_,26,29,1,1 2vrg_A_,27,31,1,1 2vrg_A_,30,33,1,1 2vrg_A_,30,34,1,1 2vrg_A_,31,35,1,1 2vrg_A_,33,41,1,1 2vrg_A_,34,36,1,1 2vrg_A_,35,37,1,1 2vrg_A_,35,62,1,1 2vrg_A_,36,78,1,1 2vrg_A_,36,80,1,1 2vrg_A_,43,45,1,1 2vrg_A_,46,47,1,1 2vrg_A_,47,51,1,1 2vrg_A_,48,49,1,1 2vrg_A_,48,52,1,1 2vrg_A_,49,53,1,1 2vrg_A_,50,54,1,1 2vrg_A_,51,55,1,1 2vrg_A_,52,56,1,1 2vrg_A_,53,57,1,1 2vrg_A_,54,58,1,1 2vrg_A_,55,58,1,1 2vrg_A_,55,59,1,1 2vrg_A_,57,61,1,1 2vrg_A_,57,62,1,1 2vrg_A_,58,63,1,1 2vrg_A_,61,64,1,1 2vrg_A_,62,78,1,1 2vrg_A_,63,67,1,1 2vrg_A_,63,68,1,1 2vrg_A_,64,74,1,1 2vrg_A_,67,69,1,1 2vrg_A_,71,73,1,1 2vrg_A_,71,74,1,1 2vrg_A_,71,75,1,1 2vrg_A_,72,76,1,1 2vrg_A_,73,77,1,1 2vrg_A_,74,78,1,1 2vrg_A_,75,79,1,1 2vrg_A_,76,80,1,1 2vrg_A_,79,80,1,1