pair,contact1,contact2,flow1,flow2 2d0n_A_,3,29,1,1 2d0n_A_,4,57,1,1 2d0n_A_,5,27,1,1 2d0n_A_,6,24,1,1 2d0n_A_,6,55,1,1 2d0n_A_,7,24,1,1 2d0n_A_,7,25,1,1 2d0n_A_,8,53,1,1 2d0n_A_,10,23,1,1 2d0n_A_,11,21,1,1 2d0n_A_,14,18,1,1 2d0n_A_,15,18,1,1 2d0n_A_,17,48,1,1 2d0n_A_,19,48,1,1 2d0n_A_,22,25,1,1 2d0n_A_,28,41,1,1 2d0n_A_,31,33,1,1 2d0n_A_,31,39,1,1 2d0n_A_,34,36,1,1 2d0n_A_,34,37,1,1 2d0n_A_,36,51,1,1 2d0n_A_,38,49,1,1 2d0n_A_,40,47,1,1 2d0n_A_,42,45,1,1 2d0n_A_,43,45,1,1 2d0n_A_,50,53,1,1 2d0n_A_,51,54,1,1