pair,contact1,contact2,flow1,flow2 3rdn_A_,4,25,1,1 3rdn_A_,4,32,1,1 3rdn_A_,5,32,1,1 3rdn_A_,5,55,1,1 3rdn_A_,6,23,1,1 3rdn_A_,7,52,1,1 3rdn_A_,7,53,1,1 3rdn_A_,8,21,1,1 3rdn_A_,11,49,1,1 3rdn_A_,12,15,1,1 3rdn_A_,13,15,1,1 3rdn_A_,17,42,1,1 3rdn_A_,17,43,1,1 3rdn_A_,18,21,1,1 3rdn_A_,18,22,1,1 3rdn_A_,23,25,1,1 3rdn_A_,29,54,1,1 3rdn_A_,31,54,1,1 3rdn_A_,36,40,1,1 3rdn_A_,37,41,1,1 3rdn_A_,40,43,1,1 3rdn_A_,46,59,1,1 3rdn_A_,50,53,1,1 3rdn_A_,57,60,1,1 3rdn_A_,65,67,1,1