pair,contact1,contact2,flow1,flow2
3okh_B_,1,5,1,1
3okh_B_,2,6,1,1
3okh_B_,3,7,1,1
3okh_B_,4,8,1,1
3okh_B_,5,9,1,1
3okh_B_,6,10,1,1