pair,contact1,contact2,flow1,flow2 2kld_A_,1,3,1,1 2kld_A_,1,8,1,1 2kld_A_,1,9,1,1 2kld_A_,1,11,1,1 2kld_A_,5,21,1,1 2kld_A_,7,12,1,1 2kld_A_,7,17,1,1 2kld_A_,8,14,1,1 2kld_A_,12,49,1,1 2kld_A_,13,46,1,1 2kld_A_,13,47,1,1 2kld_A_,13,51,1,1 2kld_A_,14,18,1,1 2kld_A_,17,20,1,1 2kld_A_,18,21,1,1 2kld_A_,18,22,1,1 2kld_A_,19,25,1,1 2kld_A_,19,29,1,1 2kld_A_,22,25,1,1 2kld_A_,27,31,1,1 2kld_A_,28,31,1,1 2kld_A_,29,33,1,1 2kld_A_,30,34,1,1 2kld_A_,31,35,1,1 2kld_A_,32,36,1,1 2kld_A_,33,37,1,1 2kld_A_,35,39,1,1 2kld_A_,36,40,1,1 2kld_A_,40,42,1,1 2kld_A_,40,44,1,1 2kld_A_,41,54,1,1 2kld_A_,49,53,1,1 2kld_A_,50,51,1,1 2kld_A_,51,54,1,1 2kld_A_,51,55,1,1 2kld_A_,57,59,1,1 2kld_A_,57,60,1,1 2kld_A_,58,63,1,1 2kld_A_,67,69,1,1 2kld_A_,67,70,1,1 2kld_A_,69,71,1,1