pair,contact1,contact2,flow1,flow2 7r68_A_,3,5,1,1 7r68_A_,13,87,1,1 7r68_A_,15,87,1,1 7r68_A_,17,89,1,1 7r68_A_,18,21,1,1 7r68_A_,21,67,1,1 7r68_A_,23,64,1,1 7r68_A_,27,60,1,1 7r68_A_,28,56,1,1 7r68_A_,29,59,1,1 7r68_A_,31,33,1,1 7r68_A_,37,78,1,1 7r68_A_,39,76,1,1 7r68_A_,41,74,1,1 7r68_A_,52,63,1,1 7r68_A_,54,61,1,1 7r68_A_,64,66,1,1 7r68_A_,68,71,1,1 7r68_A_,69,72,1,1 7r68_A_,73,88,1,1 7r68_A_,77,84,1,1 7r68_A_,79,82,1,1