pair,contact1,contact2,flow1,flow2 4v5b_A4_,8,35,1,1 4v5b_A4_,15,16,1,1 4v5b_A4_,15,25,1,1 4v5b_A4_,25,34,1,1 4v5b_A4_,27,30,1,1 4v5b_A4_,27,33,1,1