pair,contact1,contact2,flow1,flow2 3vfz_A_,1,4,1,1 3vfz_A_,1,5,1,1 3vfz_A_,4,7,1,1 3vfz_A_,5,8,1,1 3vfz_A_,6,10,1,1 3vfz_A_,8,11,1,1 3vfz_A_,9,12,1,1 3vfz_A_,13,16,1,1 3vfz_A_,13,17,1,1 3vfz_A_,14,18,1,1 3vfz_A_,15,19,1,1 3vfz_A_,16,20,1,1 3vfz_A_,17,21,1,1 3vfz_A_,18,22,1,1 3vfz_A_,19,23,1,1 3vfz_A_,20,24,1,1 3vfz_A_,21,25,1,1 3vfz_A_,21,26,1,1 3vfz_A_,22,27,1,1 3vfz_A_,22,28,1,1 3vfz_A_,23,28,1,1 3vfz_A_,29,31,1,1 3vfz_A_,29,32,1,1 3vfz_A_,29,33,1,1 3vfz_A_,30,34,1,1 3vfz_A_,31,35,1,1 3vfz_A_,32,36,1,1 3vfz_A_,33,37,1,1 3vfz_A_,34,39,1,1 3vfz_A_,40,43,1,1 3vfz_A_,40,44,1,1 3vfz_A_,41,45,1,1 3vfz_A_,42,46,1,1 3vfz_A_,43,47,1,1 3vfz_A_,44,48,1,1 3vfz_A_,45,49,1,1 3vfz_A_,46,50,1,1 3vfz_A_,47,51,1,1 3vfz_A_,48,52,1,1 3vfz_A_,49,53,1,1 3vfz_A_,50,54,1,1 3vfz_A_,51,55,1,1 3vfz_A_,52,56,1,1 3vfz_A_,53,57,1,1 3vfz_A_,54,58,1,1 3vfz_A_,55,59,1,1 3vfz_A_,56,60,1,1 3vfz_A_,57,61,1,1