pair,contact1,contact2,flow1,flow2 5br8_N_,2,5,1,1 5br8_N_,3,6,1,1 5br8_N_,15,18,1,1 5br8_N_,22,27,1,1 5br8_N_,23,28,1,1 5br8_N_,24,37,1,1 5br8_N_,25,45,1,1 5br8_N_,31,40,1,1 5br8_N_,33,37,1,1 5br8_N_,39,43,1,1 5br8_N_,40,44,1,1 5br8_N_,41,45,1,1 5br8_N_,42,46,1,1 5br8_N_,43,47,1,1 5br8_N_,44,48,1,1 5br8_N_,45,49,1,1 5br8_N_,46,51,1,1 5br8_N_,47,50,1,1 5br8_N_,52,55,1,1