pair,contact1,contact2,flow1,flow2 1hcg_B_,1,14,1,1 1hcg_B_,4,7,1,1 1hcg_B_,5,8,1,1 1hcg_B_,5,10,1,1 1hcg_B_,5,12,1,1 1hcg_B_,6,8,1,1 1hcg_B_,9,36,1,1 1hcg_B_,10,24,1,1 1hcg_B_,11,22,1,1 1hcg_B_,13,20,1,1 1hcg_B_,15,18,1,1 1hcg_B_,21,33,1,1 1hcg_B_,22,36,1,1 1hcg_B_,24,27,1,1 1hcg_B_,25,44,1,1 1hcg_B_,26,39,1,1 1hcg_B_,27,44,1,1 1hcg_B_,28,37,1,1 1hcg_B_,30,33,1,1 1hcg_B_,30,35,1,1 1hcg_B_,32,34,1,1