pair,contact1,contact2,flow1,flow2 1bvn_T_,2,39,1,1 1bvn_T_,2,66,1,1 1bvn_T_,3,69,1,1 1bvn_T_,5,67,1,1 1bvn_T_,6,9,1,1 1bvn_T_,8,23,1,1 1bvn_T_,10,21,1,1 1bvn_T_,12,19,1,1 1bvn_T_,13,55,1,1 1bvn_T_,13,62,1,1 1bvn_T_,13,64,1,1 1bvn_T_,14,16,1,1 1bvn_T_,14,17,1,1 1bvn_T_,14,57,1,1 1bvn_T_,18,53,1,1 1bvn_T_,18,54,1,1 1bvn_T_,18,55,1,1 1bvn_T_,19,52,1,1 1bvn_T_,20,51,1,1 1bvn_T_,22,24,1,1 1bvn_T_,22,26,1,1 1bvn_T_,22,45,1,1 1bvn_T_,22,48,1,1 1bvn_T_,22,49,1,1 1bvn_T_,28,45,1,1 1bvn_T_,29,70,1,1 1bvn_T_,30,43,1,1 1bvn_T_,31,39,1,1 1bvn_T_,31,68,1,1 1bvn_T_,32,40,1,1 1bvn_T_,33,66,1,1 1bvn_T_,34,37,1,1 1bvn_T_,34,38,1,1 1bvn_T_,34,55,1,1 1bvn_T_,35,63,1,1 1bvn_T_,36,38,1,1 1bvn_T_,46,49,1,1 1bvn_T_,56,59,1,1 1bvn_T_,59,62,1,1 1bvn_T_,60,61,1,1