pair,contact1,contact2,flow1,flow2 4hlk_C_,5,8,1,1 4hlk_C_,6,8,1,1 4hlk_C_,9,32,1,1 4hlk_C_,11,26,1,1 4hlk_C_,13,24,1,1 4hlk_C_,18,20,1,1 4hlk_C_,18,21,1,1 4hlk_C_,29,32,1,1 4hlk_C_,30,33,1,1