pair,contact1,contact2,flow1,flow2 2o2v_B_,2,21,1,1 2o2v_B_,4,19,1,1 2o2v_B_,5,73,1,1 2o2v_B_,5,75,1,1 2o2v_B_,6,17,1,1 2o2v_B_,7,75,1,1 2o2v_B_,7,77,1,1 2o2v_B_,8,15,1,1 2o2v_B_,9,76,1,1 2o2v_B_,9,77,1,1 2o2v_B_,9,79,1,1 2o2v_B_,10,13,1,1 2o2v_B_,10,79,1,1 2o2v_B_,13,15,1,1 2o2v_B_,21,67,1,1 2o2v_B_,22,24,1,1 2o2v_B_,23,56,1,1 2o2v_B_,24,28,1,1 2o2v_B_,25,29,1,1 2o2v_B_,25,53,1,1 2o2v_B_,25,56,1,1 2o2v_B_,26,30,1,1 2o2v_B_,27,31,1,1 2o2v_B_,28,32,1,1 2o2v_B_,29,33,1,1 2o2v_B_,30,34,1,1 2o2v_B_,31,34,1,1 2o2v_B_,31,35,1,1 2o2v_B_,32,36,1,1 2o2v_B_,33,37,1,1 2o2v_B_,41,80,1,1 2o2v_B_,42,53,1,1 2o2v_B_,43,78,1,1 2o2v_B_,44,51,1,1 2o2v_B_,45,76,1,1 2o2v_B_,46,49,1,1 2o2v_B_,54,58,1,1 2o2v_B_,55,58,1,1 2o2v_B_,55,59,1,1 2o2v_B_,56,60,1,1 2o2v_B_,57,61,1,1 2o2v_B_,58,62,1,1 2o2v_B_,59,63,1,1 2o2v_B_,60,64,1,1 2o2v_B_,61,65,1,1 2o2v_B_,62,66,1,1 2o2v_B_,63,67,1,1 2o2v_B_,64,68,1,1 2o2v_B_,66,69,1,1 2o2v_B_,69,71,1,1 2o2v_B_,69,72,1,1 2o2v_B_,71,73,1,1