pair,contact1,contact2,flow1,flow2 1d0d_B_,1,55,1,1 1d0d_B_,1,56,1,1 1d0d_B_,1,58,1,1 1d0d_B_,2,5,1,1 1d0d_B_,3,6,1,1 1d0d_B_,4,7,1,1 1d0d_B_,7,43,1,1 1d0d_B_,11,34,1,1 1d0d_B_,11,36,1,1 1d0d_B_,16,36,1,1 1d0d_B_,18,35,1,1 1d0d_B_,20,33,1,1 1d0d_B_,20,44,1,1 1d0d_B_,21,45,1,1 1d0d_B_,22,31,1,1 1d0d_B_,23,43,1,1 1d0d_B_,24,27,1,1 1d0d_B_,24,28,1,1 1d0d_B_,24,29,1,1 1d0d_B_,42,44,1,1 1d0d_B_,47,51,1,1 1d0d_B_,48,52,1,1 1d0d_B_,49,53,1,1 1d0d_B_,50,53,1,1 1d0d_B_,50,54,1,1 1d0d_B_,51,55,1,1 1d0d_B_,52,56,1,1