pair,contact1,contact2,flow1,flow2 2lnm_A_,1,5,1,1 2lnm_A_,2,6,1,1 2lnm_A_,3,6,1,1 2lnm_A_,4,7,1,1 2lnm_A_,4,8,1,1 2lnm_A_,6,9,1,1 2lnm_A_,7,10,1,1 2lnm_A_,8,11,1,1 2lnm_A_,11,14,1,1 2lnm_A_,11,15,1,1 2lnm_A_,12,16,1,1 2lnm_A_,13,17,1,1 2lnm_A_,14,18,1,1 2lnm_A_,16,19,1,1 2lnm_A_,18,24,1,1 2lnm_A_,20,24,1,1 2lnm_A_,21,25,1,1 2lnm_A_,22,26,1,1 2lnm_A_,22,43,1,1 2lnm_A_,23,27,1,1 2lnm_A_,24,28,1,1 2lnm_A_,25,29,1,1 2lnm_A_,26,30,1,1 2lnm_A_,28,31,1,1 2lnm_A_,29,32,1,1 2lnm_A_,33,36,1,1 2lnm_A_,35,38,1,1 2lnm_A_,36,39,1,1 2lnm_A_,36,40,1,1 2lnm_A_,40,43,1,1 2lnm_A_,43,46,1,1 2lnm_A_,43,47,1,1 2lnm_A_,44,48,1,1 2lnm_A_,45,49,1,1 2lnm_A_,46,50,1,1 2lnm_A_,47,51,1,1 2lnm_A_,49,52,1,1 2lnm_A_,49,53,1,1 2lnm_A_,50,54,1,1 2lnm_A_,51,55,1,1 2lnm_A_,52,56,1,1 2lnm_A_,53,57,1,1 2lnm_A_,57,60,1,1