pair,contact1,contact2,flow1,flow2 1lpk_A_,4,17,1,1 1lpk_A_,6,9,1,1 1lpk_A_,7,10,1,1 1lpk_A_,8,11,1,1 1lpk_A_,8,13,1,1 1lpk_A_,8,15,1,1 1lpk_A_,9,11,1,1 1lpk_A_,10,37,1,1 1lpk_A_,11,14,1,1 1lpk_A_,12,37,1,1 1lpk_A_,12,39,1,1 1lpk_A_,13,27,1,1 1lpk_A_,14,25,1,1 1lpk_A_,16,18,1,1 1lpk_A_,16,23,1,1 1lpk_A_,24,36,1,1 1lpk_A_,25,39,1,1 1lpk_A_,27,30,1,1 1lpk_A_,28,47,1,1 1lpk_A_,29,42,1,1 1lpk_A_,30,47,1,1 1lpk_A_,31,40,1,1 1lpk_A_,33,36,1,1 1lpk_A_,33,38,1,1 1lpk_A_,35,37,1,1 1lpk_A_,35,38,1,1 1lpk_A_,45,53,1,1