pair,contact1,contact2,flow1,flow2 6y69_r_,3,7,1,1 6y69_r_,4,7,1,1 6y69_r_,4,8,1,1 6y69_r_,20,23,1,1 6y69_r_,23,31,1,1 6y69_r_,25,26,1,1 6y69_r_,25,28,1,1 6y69_r_,25,29,1,1 6y69_r_,28,54,1,1 6y69_r_,32,35,1,1 6y69_r_,32,36,1,1 6y69_r_,33,37,1,1 6y69_r_,39,43,1,1 6y69_r_,40,44,1,1 6y69_r_,41,45,1,1 6y69_r_,42,46,1,1 6y69_r_,43,47,1,1 6y69_r_,45,49,1,1 6y69_r_,46,49,1,1 6y69_r_,46,50,1,1 6y69_r_,47,51,1,1 6y69_r_,49,53,1,1 6y69_r_,50,54,1,1 6y69_r_,51,55,1,1 6y69_r_,52,56,1,1 6y69_r_,53,58,1,1 6y69_r_,53,59,1,1 6y69_r_,62,65,1,1 6y69_r_,63,64,1,1