pair,contact1,contact2,flow1,flow2 1nk3_P_,10,13,1,1 1nk3_P_,10,14,1,1 1nk3_P_,11,15,1,1 1nk3_P_,12,16,1,1 1nk3_P_,13,16,1,1 1nk3_P_,13,17,1,1 1nk3_P_,14,18,1,1 1nk3_P_,15,19,1,1 1nk3_P_,16,20,1,1 1nk3_P_,17,21,1,1 1nk3_P_,18,22,1,1 1nk3_P_,19,23,1,1 1nk3_P_,20,24,1,1 1nk3_P_,24,26,1,1 1nk3_P_,25,54,1,1 1nk3_P_,28,31,1,1 1nk3_P_,28,32,1,1 1nk3_P_,29,33,1,1 1nk3_P_,30,34,1,1 1nk3_P_,31,34,1,1 1nk3_P_,31,35,1,1 1nk3_P_,32,36,1,1 1nk3_P_,32,43,1,1 1nk3_P_,33,37,1,1 1nk3_P_,35,38,1,1 1nk3_P_,35,39,1,1 1nk3_P_,36,40,1,1 1nk3_P_,42,45,1,1 1nk3_P_,42,46,1,1 1nk3_P_,43,47,1,1 1nk3_P_,44,48,1,1 1nk3_P_,45,49,1,1 1nk3_P_,46,50,1,1 1nk3_P_,47,51,1,1 1nk3_P_,48,52,1,1 1nk3_P_,49,53,1,1 1nk3_P_,50,54,1,1 1nk3_P_,51,55,1,1 1nk3_P_,52,56,1,1 1nk3_P_,53,57,1,1 1nk3_P_,54,58,1,1 1nk3_P_,55,59,1,1 1nk3_P_,57,60,1,1 1nk3_P_,58,61,1,1 1nk3_P_,58,62,1,1 1nk3_P_,59,63,1,1 1nk3_P_,60,63,1,1