pair,contact1,contact2,flow1,flow2 6wdf_N_,1,3,1,1 6wdf_N_,3,18,1,1 6wdf_N_,4,6,1,1 6wdf_N_,5,16,1,1 6wdf_N_,7,14,1,1 6wdf_N_,9,12,1,1 6wdf_N_,10,11,1,1 6wdf_N_,10,12,1,1 6wdf_N_,12,71,1,1 6wdf_N_,13,65,1,1 6wdf_N_,15,63,1,1 6wdf_N_,17,61,1,1 6wdf_N_,19,59,1,1 6wdf_N_,21,57,1,1 6wdf_N_,22,24,1,1 6wdf_N_,24,60,1,1 6wdf_N_,26,60,1,1 6wdf_N_,26,62,1,1 6wdf_N_,27,30,1,1 6wdf_N_,28,35,1,1 6wdf_N_,28,62,1,1 6wdf_N_,31,35,1,1 6wdf_N_,32,36,1,1 6wdf_N_,37,42,1,1 6wdf_N_,38,42,1,1 6wdf_N_,47,50,1,1 6wdf_N_,54,57,1,1 6wdf_N_,63,65,1,1 6wdf_N_,66,72,1,1 6wdf_N_,68,72,1,1 6wdf_N_,69,73,1,1 6wdf_N_,70,74,1,1 6wdf_N_,71,75,1,1 6wdf_N_,72,76,1,1 6wdf_N_,73,77,1,1 6wdf_N_,74,78,1,1 6wdf_N_,75,79,1,1 6wdf_N_,76,80,1,1 6wdf_N_,77,81,1,1 6wdf_N_,78,81,1,1 6wdf_N_,78,82,1,1 6wdf_N_,78,101,1,1 6wdf_N_,80,83,1,1 6wdf_N_,81,100,1,1 6wdf_N_,88,90,1,1 6wdf_N_,88,91,1,1 6wdf_N_,88,92,1,1 6wdf_N_,89,93,1,1 6wdf_N_,92,96,1,1 6wdf_N_,93,96,1,1 6wdf_N_,93,97,1,1 6wdf_N_,96,99,1,1 6wdf_N_,99,101,1,1 6wdf_N_,102,104,1,1 6wdf_N_,103,107,1,1 6wdf_N_,104,106,1,1 6wdf_N_,110,111,1,1 6wdf_N_,116,120,1,1 6wdf_N_,120,121,1,1 6wdf_N_,125,127,1,1