pair,contact1,contact2,flow1,flow2 6wdh_l_,1,3,1,1 6wdh_l_,1,4,1,1 6wdh_l_,8,11,1,1 6wdh_l_,19,20,1,1 6wdh_l_,19,26,1,1 6wdh_l_,22,25,1,1 6wdh_l_,28,29,1,1 6wdh_l_,29,33,1,1 6wdh_l_,36,39,1,1 6wdh_l_,36,40,1,1 6wdh_l_,40,43,1,1 6wdh_l_,46,49,1,1 6wdh_l_,47,57,1,1 6wdh_l_,50,56,1,1 6wdh_l_,51,53,1,1 6wdh_l_,55,58,1,1 6wdh_l_,55,59,1,1 6wdh_l_,56,60,1,1 6wdh_l_,67,69,1,1 6wdh_l_,67,70,1,1 6wdh_l_,69,72,1,1 6wdh_l_,69,73,1,1 6wdh_l_,72,105,1,1 6wdh_l_,72,106,1,1 6wdh_l_,74,106,1,1 6wdh_l_,76,108,1,1 6wdh_l_,76,110,1,1 6wdh_l_,85,87,1,1 6wdh_l_,85,88,1,1 6wdh_l_,87,120,1,1 6wdh_l_,92,93,1,1 6wdh_l_,94,97,1,1 6wdh_l_,94,99,1,1 6wdh_l_,95,98,1,1 6wdh_l_,95,101,1,1 6wdh_l_,95,102,1,1 6wdh_l_,95,104,1,1 6wdh_l_,101,104,1,1 6wdh_l_,107,125,1,1 6wdh_l_,108,125,1,1 6wdh_l_,109,127,1,1 6wdh_l_,110,112,1,1 6wdh_l_,117,119,1,1 6wdh_l_,121,140,1,1 6wdh_l_,121,142,1,1 6wdh_l_,122,142,1,1 6wdh_l_,127,131,1,1 6wdh_l_,128,131,1,1 6wdh_l_,128,132,1,1 6wdh_l_,129,133,1,1 6wdh_l_,131,135,1,1 6wdh_l_,131,143,1,1 6wdh_l_,132,136,1,1 6wdh_l_,133,136,1,1 6wdh_l_,134,137,1,1 6wdh_l_,134,138,1,1