pair,contact1,contact2,flow1,flow2 8yts_A_,2,5,1,1 8yts_A_,2,6,1,1 8yts_A_,2,73,1,1 8yts_A_,3,7,1,1 8yts_A_,4,8,1,1 8yts_A_,5,9,1,1 8yts_A_,6,10,1,1 8yts_A_,7,11,1,1 8yts_A_,8,12,1,1 8yts_A_,9,13,1,1 8yts_A_,10,13,1,1 8yts_A_,10,14,1,1 8yts_A_,10,15,1,1 8yts_A_,14,17,1,1 8yts_A_,14,18,1,1 8yts_A_,15,19,1,1 8yts_A_,15,25,1,1 8yts_A_,18,24,1,1 8yts_A_,18,29,1,1 8yts_A_,19,22,1,1 8yts_A_,22,31,1,1 8yts_A_,24,28,1,1 8yts_A_,32,34,1,1 8yts_A_,33,82,1,1 8yts_A_,35,38,1,1 8yts_A_,35,39,1,1 8yts_A_,36,40,1,1 8yts_A_,36,79,1,1 8yts_A_,37,41,1,1 8yts_A_,38,42,1,1 8yts_A_,39,43,1,1 8yts_A_,40,44,1,1 8yts_A_,41,45,1,1 8yts_A_,42,45,1,1 8yts_A_,42,46,1,1 8yts_A_,43,47,1,1 8yts_A_,44,47,1,1 8yts_A_,44,48,1,1 8yts_A_,45,50,1,1 8yts_A_,46,49,1,1 8yts_A_,51,53,1,1 8yts_A_,52,56,1,1 8yts_A_,53,56,1,1 8yts_A_,55,58,1,1 8yts_A_,56,59,1,1 8yts_A_,56,60,1,1 8yts_A_,59,62,1,1 8yts_A_,60,63,1,1 8yts_A_,60,64,1,1 8yts_A_,63,66,1,1 8yts_A_,67,70,1,1 8yts_A_,67,71,1,1 8yts_A_,68,72,1,1 8yts_A_,69,73,1,1 8yts_A_,70,74,1,1 8yts_A_,71,75,1,1 8yts_A_,72,76,1,1 8yts_A_,73,77,1,1 8yts_A_,74,78,1,1 8yts_A_,75,79,1,1 8yts_A_,76,80,1,1 8yts_A_,77,81,1,1 8yts_A_,78,82,1,1 8yts_A_,79,83,1,1