pair,contact1,contact2,flow1,flow2 1wfe_A_,20,22,1,1 1wfe_A_,26,37,1,1 1wfe_A_,27,49,1,1 1wfe_A_,28,35,1,1 1wfe_A_,28,54,1,1 1wfe_A_,29,49,1,1 1wfe_A_,33,35,1,1 1wfe_A_,33,54,1,1 1wfe_A_,41,50,1,1 1wfe_A_,43,48,1,1 1wfe_A_,46,60,1,1 1wfe_A_,51,54,1,1 1wfe_A_,52,55,1,1 1wfe_A_,54,60,1,1 1wfe_A_,56,60,1,1 1wfe_A_,57,62,1,1 1wfe_A_,58,61,1,1 1wfe_A_,69,71,1,1