pair,contact1,contact2,flow1,flow2 1brc_I_,1,54,1,1 1brc_I_,3,6,1,1 1brc_I_,4,7,1,1 1brc_I_,7,43,1,1 1brc_I_,8,41,1,1 1brc_I_,11,34,1,1 1brc_I_,11,36,1,1 1brc_I_,16,36,1,1 1brc_I_,18,35,1,1 1brc_I_,20,33,1,1 1brc_I_,21,45,1,1 1brc_I_,22,24,1,1 1brc_I_,22,31,1,1 1brc_I_,23,43,1,1 1brc_I_,24,26,1,1 1brc_I_,24,27,1,1 1brc_I_,24,29,1,1 1brc_I_,35,39,1,1 1brc_I_,41,43,1,1 1brc_I_,42,44,1,1 1brc_I_,46,47,1,1 1brc_I_,47,51,1,1 1brc_I_,48,52,1,1 1brc_I_,49,53,1,1 1brc_I_,50,54,1,1 1brc_I_,51,54,1,1 1brc_I_,51,55,1,1 1brc_I_,52,56,1,1