pair,contact1,contact2,flow1,flow2 2fyl_B_,6,9,1,1 2fyl_B_,8,20,1,1 2fyl_B_,10,18,1,1 2fyl_B_,12,15,1,1 2fyl_B_,12,16,1,1 2fyl_B_,12,30,1,1 2fyl_B_,13,30,1,1 2fyl_B_,16,17,1,1 2fyl_B_,19,22,1,1 2fyl_B_,20,23,1,1 2fyl_B_,24,35,1,1 2fyl_B_,25,27,1,1 2fyl_B_,25,36,1,1 2fyl_B_,26,36,1,1 2fyl_B_,29,34,1,1 2fyl_B_,30,35,1,1 2fyl_B_,31,35,1,1 2fyl_B_,32,33,1,1 2fyl_B_,32,34,1,1 2fyl_B_,32,35,1,1 2fyl_B_,36,42,1,1 2fyl_B_,44,46,1,1 2fyl_B_,44,50,1,1 2fyl_B_,46,50,1,1 2fyl_B_,49,61,1,1 2fyl_B_,50,58,1,1 2fyl_B_,51,59,1,1 2fyl_B_,53,56,1,1 2fyl_B_,53,57,1,1 2fyl_B_,60,62,1,1 2fyl_B_,64,66,1,1 2fyl_B_,64,70,1,1 2fyl_B_,66,68,1,1 2fyl_B_,71,74,1,1 2fyl_B_,72,74,1,1 2fyl_B_,74,75,1,1 2fyl_B_,76,81,1,1 2fyl_B_,77,80,1,1 2fyl_B_,78,81,1,1