pair,contact1,contact2,flow1,flow2 3obh_A_,2,29,1,1 3obh_A_,4,27,1,1 3obh_A_,6,25,1,1 3obh_A_,7,24,1,1 3obh_A_,7,25,1,1 3obh_A_,8,24,1,1 3obh_A_,9,23,1,1 3obh_A_,10,23,1,1 3obh_A_,12,21,1,1 3obh_A_,13,21,1,1 3obh_A_,15,17,1,1 3obh_A_,15,18,1,1 3obh_A_,15,19,1,1 3obh_A_,20,22,1,1 3obh_A_,20,40,1,1 3obh_A_,22,24,1,1 3obh_A_,22,38,1,1 3obh_A_,22,44,1,1 3obh_A_,24,36,1,1 3obh_A_,26,34,1,1 3obh_A_,27,31,1,1 3obh_A_,28,31,1,1 3obh_A_,35,52,1,1 3obh_A_,36,38,1,1 3obh_A_,36,51,1,1 3obh_A_,37,50,1,1 3obh_A_,41,43,1,1 3obh_A_,41,44,1,1 3obh_A_,41,45,1,1 3obh_A_,41,46,1,1 3obh_A_,43,45,1,1 3obh_A_,53,56,1,1 3obh_A_,53,57,1,1 3obh_A_,54,58,1,1 3obh_A_,55,59,1,1 3obh_A_,58,61,1,1