pair,contact1,contact2,flow1,flow2 4w2e_5_,11,14,1,1 4w2e_5_,11,15,1,1 4w2e_5_,12,16,1,1 4w2e_5_,13,16,1,1 4w2e_5_,13,17,1,1 4w2e_5_,14,18,1,1 4w2e_5_,17,20,1,1 4w2e_5_,19,22,1,1 4w2e_5_,30,39,1,1 4w2e_5_,32,34,1,1 4w2e_5_,32,37,1,1 4w2e_5_,39,40,1,1 4w2e_5_,39,43,1,1 4w2e_5_,40,43,1,1 4w2e_5_,45,50,1,1 4w2e_5_,48,55,1,1 4w2e_5_,49,56,1,1 4w2e_5_,49,57,1,1 4w2e_5_,51,54,1,1