pair,contact1,contact2,flow1,flow2
2n9p_A_,1,3,1,1
2n9p_A_,4,7,1,1
2n9p_A_,12,42,1,1
2n9p_A_,13,22,1,1
2n9p_A_,14,40,1,1
2n9p_A_,15,18,1,1
2n9p_A_,16,38,1,1
2n9p_A_,16,40,1,1
2n9p_A_,18,19,1,1
2n9p_A_,25,28,1,1
2n9p_A_,25,30,1,1
2n9p_A_,31,35,1,1