pair,contact1,contact2,flow1,flow2 1ioh_B_,9,13,1,1 1ioh_B_,10,14,1,1 1ioh_B_,11,14,1,1 1ioh_B_,12,15,1,1 1ioh_B_,12,16,1,1 1ioh_B_,19,23,1,1