pair,contact1,contact2,flow1,flow2 6wdh_S_,1,66,1,1 6wdh_S_,2,5,1,1 6wdh_S_,3,7,1,1 6wdh_S_,4,8,1,1 6wdh_S_,5,9,1,1 6wdh_S_,6,64,1,1 6wdh_S_,6,65,1,1 6wdh_S_,7,11,1,1 6wdh_S_,8,12,1,1 6wdh_S_,10,14,1,1 6wdh_S_,12,16,1,1 6wdh_S_,12,59,1,1 6wdh_S_,15,18,1,1 6wdh_S_,15,19,1,1 6wdh_S_,23,26,1,1 6wdh_S_,25,29,1,1 6wdh_S_,25,30,1,1 6wdh_S_,35,37,1,1 6wdh_S_,37,40,1,1 6wdh_S_,38,41,1,1 6wdh_S_,38,42,1,1 6wdh_S_,42,46,1,1 6wdh_S_,44,48,1,1 6wdh_S_,46,49,1,1 6wdh_S_,47,50,1,1 6wdh_S_,53,54,1,1 6wdh_S_,53,58,1,1 6wdh_S_,55,58,1,1 6wdh_S_,56,59,1,1 6wdh_S_,60,69,1,1 6wdh_S_,62,67,1,1 6wdh_S_,63,66,1,1 6wdh_S_,64,77,1,1 6wdh_S_,73,76,1,1 6wdh_S_,73,77,1,1 6wdh_S_,79,82,1,1 6wdh_S_,79,83,1,1 6wdh_S_,80,84,1,1 6wdh_S_,81,84,1,1 6wdh_S_,81,85,1,1 6wdh_S_,83,87,1,1 6wdh_S_,84,88,1,1 6wdh_S_,85,89,1,1 6wdh_S_,86,91,1,1 6wdh_S_,87,90,1,1