pair,contact1,contact2,flow1,flow2 7crh_N_,1,2,1,1 7crh_N_,3,25,1,1 7crh_N_,5,22,1,1 7crh_N_,5,23,1,1 7crh_N_,6,121,1,1 7crh_N_,7,21,1,1 7crh_N_,12,127,1,1 7crh_N_,16,85,1,1 7crh_N_,17,82,1,1 7crh_N_,18,83,1,1 7crh_N_,20,81,1,1 7crh_N_,22,79,1,1 7crh_N_,32,72,1,1 7crh_N_,33,99,1,1 7crh_N_,34,51,1,1 7crh_N_,35,97,1,1 7crh_N_,36,48,1,1 7crh_N_,36,49,1,1 7crh_N_,37,95,1,1 7crh_N_,38,46,1,1 7crh_N_,39,93,1,1 7crh_N_,40,43,1,1 7crh_N_,50,59,1,1 7crh_N_,52,54,1,1 7crh_N_,52,55,1,1 7crh_N_,54,56,1,1 7crh_N_,60,70,1,1 7crh_N_,61,64,1,1 7crh_N_,64,67,1,1 7crh_N_,67,85,1,1 7crh_N_,69,82,1,1 7crh_N_,71,80,1,1 7crh_N_,72,74,1,1 7crh_N_,73,75,1,1 7crh_N_,73,78,1,1 7crh_N_,78,80,1,1 7crh_N_,87,90,1,1 7crh_N_,90,92,1,1 7crh_N_,92,124,1,1 7crh_N_,94,122,1,1 7crh_N_,98,100,1,1 7crh_N_,101,104,1,1 7crh_N_,105,107,1,1 7crh_N_,111,114,1,1 7crh_N_,127,128,1,1