pair,contact1,contact2,flow1,flow2 3r68_A_,2,4,1,1 3r68_A_,3,83,1,1 3r68_A_,6,43,1,1 3r68_A_,6,48,1,1 3r68_A_,6,81,1,1 3r68_A_,8,79,1,1 3r68_A_,10,77,1,1 3r68_A_,12,75,1,1 3r68_A_,13,16,1,1 3r68_A_,17,39,1,1 3r68_A_,18,34,1,1 3r68_A_,20,31,1,1 3r68_A_,20,34,1,1 3r68_A_,21,22,1,1 3r68_A_,22,29,1,1 3r68_A_,28,50,1,1 3r68_A_,28,63,1,1 3r68_A_,30,48,1,1 3r68_A_,31,46,1,1 3r68_A_,34,37,1,1 3r68_A_,36,40,1,1 3r68_A_,37,40,1,1 3r68_A_,37,41,1,1 3r68_A_,38,42,1,1 3r68_A_,39,44,1,1 3r68_A_,40,43,1,1 3r68_A_,45,48,1,1 3r68_A_,45,83,1,1 3r68_A_,47,84,1,1 3r68_A_,49,82,1,1 3r68_A_,51,58,1,1 3r68_A_,51,80,1,1 3r68_A_,52,80,1,1 3r68_A_,53,56,1,1 3r68_A_,54,78,1,1 3r68_A_,57,59,1,1 3r68_A_,58,61,1,1 3r68_A_,62,65,1,1 3r68_A_,62,66,1,1 3r68_A_,63,67,1,1 3r68_A_,64,68,1,1 3r68_A_,65,69,1,1 3r68_A_,66,70,1,1 3r68_A_,67,71,1,1 3r68_A_,68,71,1,1 3r68_A_,68,72,1,1 3r68_A_,70,73,1,1 3r68_A_,71,74,1,1