pair,contact1,contact2,flow1,flow2 8h6k_2M_,1,4,1,1 8h6k_2M_,4,7,1,1 8h6k_2M_,9,12,1,1 8h6k_2M_,13,17,1,1 8h6k_2M_,14,18,1,1 8h6k_2M_,15,19,1,1 8h6k_2M_,16,20,1,1 8h6k_2M_,17,21,1,1 8h6k_2M_,18,22,1,1 8h6k_2M_,19,23,1,1 8h6k_2M_,20,24,1,1 8h6k_2M_,21,25,1,1 8h6k_2M_,22,26,1,1 8h6k_2M_,23,27,1,1 8h6k_2M_,24,28,1,1 8h6k_2M_,25,29,1,1 8h6k_2M_,26,30,1,1 8h6k_2M_,27,31,1,1 8h6k_2M_,28,32,1,1 8h6k_2M_,32,36,1,1 8h6k_2M_,33,37,1,1 8h6k_2M_,34,38,1,1 8h6k_2M_,35,39,1,1 8h6k_2M_,36,40,1,1 8h6k_2M_,37,41,1,1 8h6k_2M_,38,42,1,1 8h6k_2M_,39,43,1,1 8h6k_2M_,46,50,1,1 8h6k_2M_,47,51,1,1 8h6k_2M_,48,52,1,1 8h6k_2M_,49,53,1,1 8h6k_2M_,50,54,1,1 8h6k_2M_,51,55,1,1 8h6k_2M_,52,56,1,1 8h6k_2M_,53,56,1,1 8h6k_2M_,53,57,1,1 8h6k_2M_,60,63,1,1