pair,contact1,contact2,flow1,flow2 4hcg_A_,4,7,1,1 4hcg_A_,9,34,1,1 4hcg_A_,11,34,1,1 4hcg_A_,11,36,1,1 4hcg_A_,12,38,1,1 4hcg_A_,13,36,1,1 4hcg_A_,13,38,1,1 4hcg_A_,14,16,1,1 4hcg_A_,14,21,1,1 4hcg_A_,15,38,1,1 4hcg_A_,15,40,1,1 4hcg_A_,16,19,1,1 4hcg_A_,17,42,1,1 4hcg_A_,17,43,1,1 4hcg_A_,17,45,1,1 4hcg_A_,23,90,1,1 4hcg_A_,25,90,1,1 4hcg_A_,25,92,1,1 4hcg_A_,27,92,1,1 4hcg_A_,27,94,1,1 4hcg_A_,29,94,1,1 4hcg_A_,30,70,1,1 4hcg_A_,33,68,1,1 4hcg_A_,34,67,1,1 4hcg_A_,35,66,1,1 4hcg_A_,37,64,1,1 4hcg_A_,39,41,1,1 4hcg_A_,39,43,1,1 4hcg_A_,39,58,1,1 4hcg_A_,39,61,1,1 4hcg_A_,39,62,1,1 4hcg_A_,41,60,1,1 4hcg_A_,44,82,1,1 4hcg_A_,45,58,1,1 4hcg_A_,45,80,1,1 4hcg_A_,45,83,1,1 4hcg_A_,46,48,1,1 4hcg_A_,46,81,1,1 4hcg_A_,47,56,1,1 4hcg_A_,48,55,1,1 4hcg_A_,48,79,1,1 4hcg_A_,49,52,1,1 4hcg_A_,49,54,1,1 4hcg_A_,50,53,1,1 4hcg_A_,55,81,1,1 4hcg_A_,57,64,1,1 4hcg_A_,59,62,1,1 4hcg_A_,72,76,1,1 4hcg_A_,74,93,1,1 4hcg_A_,76,91,1,1 4hcg_A_,77,90,1,1 4hcg_A_,78,89,1,1 4hcg_A_,80,83,1,1 4hcg_A_,83,86,1,1 4hcg_A_,84,87,1,1