pair,contact1,contact2,flow1,flow2 6wdh_y_,2,5,1,1 6wdh_y_,7,8,1,1 6wdh_y_,9,13,1,1 6wdh_y_,10,14,1,1 6wdh_y_,11,15,1,1 6wdh_y_,12,16,1,1 6wdh_y_,13,17,1,1 6wdh_y_,14,18,1,1 6wdh_y_,15,19,1,1 6wdh_y_,16,20,1,1 6wdh_y_,17,20,1,1 6wdh_y_,17,21,1,1 6wdh_y_,18,22,1,1 6wdh_y_,19,23,1,1 6wdh_y_,23,26,1,1 6wdh_y_,24,28,1,1 6wdh_y_,25,29,1,1 6wdh_y_,27,30,1,1 6wdh_y_,27,31,1,1 6wdh_y_,28,32,1,1 6wdh_y_,29,33,1,1 6wdh_y_,30,34,1,1 6wdh_y_,31,34,1,1 6wdh_y_,31,35,1,1 6wdh_y_,31,36,1,1 6wdh_y_,38,40,1,1 6wdh_y_,40,43,1,1 6wdh_y_,41,45,1,1 6wdh_y_,44,47,1,1 6wdh_y_,44,48,1,1 6wdh_y_,45,49,1,1 6wdh_y_,46,50,1,1 6wdh_y_,48,52,1,1 6wdh_y_,49,53,1,1 6wdh_y_,50,54,1,1 6wdh_y_,51,55,1,1 6wdh_y_,52,55,1,1 6wdh_y_,52,56,1,1 6wdh_y_,53,57,1,1 6wdh_y_,54,58,1,1 6wdh_y_,55,59,1,1 6wdh_y_,58,61,1,1