pair,contact1,contact2,flow1,flow2 1brz_A_,2,4,1,1 1brz_A_,3,50,1,1 1brz_A_,3,51,1,1 1brz_A_,4,52,1,1 1brz_A_,5,48,1,1 1brz_A_,7,46,1,1 1brz_A_,13,14,1,1 1brz_A_,19,23,1,1 1brz_A_,20,24,1,1 1brz_A_,21,25,1,1 1brz_A_,22,26,1,1 1brz_A_,24,27,1,1 1brz_A_,24,28,1,1 1brz_A_,25,31,1,1 1brz_A_,27,30,1,1 1brz_A_,32,49,1,1 1brz_A_,33,49,1,1 1brz_A_,35,36,1,1 1brz_A_,35,47,1,1 1brz_A_,37,45,1,1 1brz_A_,39,41,1,1 1brz_A_,39,42,1,1 1brz_A_,49,51,1,1