pair,contact1,contact2,flow1,flow2 2npl_X_,6,23,1,1 2npl_X_,6,24,1,1 2npl_X_,8,22,1,1 2npl_X_,10,20,1,1 2npl_X_,12,18,1,1 2npl_X_,14,17,1,1 2npl_X_,16,62,1,1 2npl_X_,17,62,1,1 2npl_X_,19,60,1,1 2npl_X_,21,58,1,1 2npl_X_,23,56,1,1 2npl_X_,27,29,1,1 2npl_X_,30,77,1,1 2npl_X_,33,76,1,1 2npl_X_,35,74,1,1 2npl_X_,37,72,1,1 2npl_X_,38,52,1,1 2npl_X_,39,70,1,1 2npl_X_,40,43,1,1 2npl_X_,45,49,1,1 2npl_X_,46,50,1,1 2npl_X_,47,50,1,1 2npl_X_,47,51,1,1 2npl_X_,48,52,1,1 2npl_X_,49,53,1,1 2npl_X_,50,53,1,1 2npl_X_,50,54,1,1 2npl_X_,52,55,1,1 2npl_X_,64,67,1,1 2npl_X_,69,88,1,1 2npl_X_,71,86,1,1 2npl_X_,73,84,1,1 2npl_X_,75,82,1,1 2npl_X_,83,84,1,1