pair,contact1,contact2,flow1,flow2 1du6_A_,13,17,1,1 1du6_A_,14,18,1,1 1du6_A_,15,19,1,1 1du6_A_,16,20,1,1 1du6_A_,18,22,1,1 1du6_A_,19,23,1,1 1du6_A_,21,25,1,1 1du6_A_,23,26,1,1 1du6_A_,25,28,1,1 1du6_A_,32,36,1,1 1du6_A_,33,37,1,1 1du6_A_,34,38,1,1 1du6_A_,35,39,1,1 1du6_A_,36,40,1,1 1du6_A_,37,41,1,1 1du6_A_,39,42,1,1 1du6_A_,39,43,1,1 1du6_A_,40,43,1,1 1du6_A_,40,44,1,1 1du6_A_,40,45,1,1 1du6_A_,46,49,1,1 1du6_A_,46,50,1,1 1du6_A_,47,51,1,1 1du6_A_,48,52,1,1 1du6_A_,49,53,1,1 1du6_A_,50,54,1,1 1du6_A_,51,55,1,1 1du6_A_,52,56,1,1 1du6_A_,53,56,1,1 1du6_A_,53,57,1,1 1du6_A_,54,58,1,1 1du6_A_,56,59,1,1 1du6_A_,57,60,1,1 1du6_A_,62,64,1,1