pair,contact1,contact2,flow1,flow2 4tgf_A_,5,7,1,1 4tgf_A_,7,8,1,1 4tgf_A_,8,21,1,1 4tgf_A_,8,22,1,1 4tgf_A_,13,14,1,1 4tgf_A_,15,16,1,1 4tgf_A_,15,32,1,1 4tgf_A_,18,34,1,1 4tgf_A_,20,33,1,1 4tgf_A_,22,31,1,1 4tgf_A_,24,27,1,1 4tgf_A_,24,29,1,1 4tgf_A_,35,38,1,1 4tgf_A_,37,47,1,1 4tgf_A_,39,45,1,1 4tgf_A_,40,43,1,1