pair,contact1,contact2,flow1,flow2
9pai_B_,12,30,1,1
9pai_B_,14,28,1,1
9pai_B_,16,25,1,1
9pai_B_,16,26,1,1
9pai_B_,18,21,1,1
9pai_B_,18,22,1,1
9pai_B_,18,23,1,1
9pai_B_,21,23,1,1