pair,contact1,contact2,flow1,flow2 6wkr_B_,1,4,1,1 6wkr_B_,7,8,1,1 6wkr_B_,19,22,1,1 6wkr_B_,20,23,1,1 6wkr_B_,20,24,1,1 6wkr_B_,22,25,1,1 6wkr_B_,22,26,1,1 6wkr_B_,28,29,1,1 6wkr_B_,33,34,1,1 6wkr_B_,33,37,1,1 6wkr_B_,37,40,1,1 6wkr_B_,38,41,1,1