pair,contact1,contact2,flow1,flow2 2o13_A_,1,6,1,1 2o13_A_,1,8,1,1 2o13_A_,2,5,1,1 2o13_A_,2,6,1,1 2o13_A_,2,7,1,1 2o13_A_,2,23,1,1 2o13_A_,4,47,1,1 2o13_A_,5,23,1,1 2o13_A_,10,13,1,1 2o13_A_,11,14,1,1 2o13_A_,15,22,1,1 2o13_A_,17,20,1,1 2o13_A_,23,26,1,1 2o13_A_,23,27,1,1 2o13_A_,24,37,1,1 2o13_A_,25,26,1,1 2o13_A_,25,28,1,1 2o13_A_,27,36,1,1 2o13_A_,29,32,1,1 2o13_A_,29,33,1,1 2o13_A_,29,34,1,1 2o13_A_,34,50,1,1 2o13_A_,36,38,1,1 2o13_A_,37,39,1,1 2o13_A_,40,51,1,1 2o13_A_,42,49,1,1 2o13_A_,44,45,1,1 2o13_A_,44,47,1,1 2o13_A_,50,54,1,1 2o13_A_,51,55,1,1 2o13_A_,52,56,1,1 2o13_A_,53,57,1,1 2o13_A_,54,58,1,1