pair,contact1,contact2,flow1,flow2
4v4i_b_,5,7,1,1
4v4i_b_,12,14,1,1
4v4i_b_,13,31,1,1
4v4i_b_,14,25,1,1
4v4i_b_,18,21,1,1
4v4i_b_,22,35,1,1
4v4i_b_,24,33,1,1
4v4i_b_,26,28,1,1
4v4i_b_,26,31,1,1
4v4i_b_,28,31,1,1