pair,contact1,contact2,flow1,flow2 2lhd_A_,1,20,1,1 2lhd_A_,3,18,1,1 2lhd_A_,4,50,1,1 2lhd_A_,4,52,1,1 2lhd_A_,5,16,1,1 2lhd_A_,6,52,1,1 2lhd_A_,6,54,1,1 2lhd_A_,7,14,1,1 2lhd_A_,8,54,1,1 2lhd_A_,24,28,1,1 2lhd_A_,25,29,1,1 2lhd_A_,26,30,1,1 2lhd_A_,27,31,1,1 2lhd_A_,28,32,1,1 2lhd_A_,29,33,1,1 2lhd_A_,30,34,1,1 2lhd_A_,31,35,1,1 2lhd_A_,32,36,1,1 2lhd_A_,33,37,1,1 2lhd_A_,34,38,1,1 2lhd_A_,44,53,1,1 2lhd_A_,44,55,1,1 2lhd_A_,46,51,1,1