pair,contact1,contact2,flow1,flow2 2nz1_D_,3,29,1,1 2nz1_D_,6,31,1,1 2nz1_D_,9,11,1,1 2nz1_D_,9,45,1,1 2nz1_D_,14,17,1,1 2nz1_D_,17,39,1,1 2nz1_D_,19,37,1,1 2nz1_D_,20,37,1,1 2nz1_D_,21,61,1,1 2nz1_D_,22,35,1,1 2nz1_D_,24,33,1,1 2nz1_D_,26,28,1,1 2nz1_D_,26,29,1,1 2nz1_D_,34,46,1,1 2nz1_D_,36,44,1,1 2nz1_D_,38,40,1,1 2nz1_D_,38,41,1,1 2nz1_D_,38,42,1,1 2nz1_D_,47,49,1,1 2nz1_D_,47,50,1,1 2nz1_D_,50,52,1,1 2nz1_D_,50,53,1,1 2nz1_D_,51,55,1,1 2nz1_D_,52,56,1,1 2nz1_D_,53,57,1,1 2nz1_D_,54,58,1,1 2nz1_D_,55,59,1,1 2nz1_D_,56,60,1,1 2nz1_D_,57,61,1,1 2nz1_D_,58,62,1,1 2nz1_D_,59,63,1,1 2nz1_D_,61,64,1,1