pair,contact1,contact2,flow1,flow2 7c1d_A_,20,22,1,1 7c1d_A_,29,30,1,1 7c1d_A_,34,44,1,1 7c1d_A_,35,36,1,1 7c1d_A_,38,42,1,1 7c1d_A_,39,42,1,1 7c1d_A_,45,47,1,1