pair,contact1,contact2,flow1,flow2 1wr4_A_,6,9,1,1 1wr4_A_,8,24,1,1 1wr4_A_,9,36,1,1 1wr4_A_,10,22,1,1 1wr4_A_,10,24,1,1 1wr4_A_,11,13,1,1 1wr4_A_,12,20,1,1 1wr4_A_,14,16,1,1 1wr4_A_,14,18,1,1 1wr4_A_,17,19,1,1 1wr4_A_,21,30,1,1 1wr4_A_,21,33,1,1 1wr4_A_,23,25,1,1 1wr4_A_,23,26,1,1 1wr4_A_,23,28,1,1 1wr4_A_,26,28,1,1 1wr4_A_,31,32,1,1