pair,contact1,contact2,flow1,flow2 4lz4_A_,8,11,1,1 4lz4_A_,12,15,1,1 4lz4_A_,12,16,1,1 4lz4_A_,12,17,1,1 4lz4_A_,12,22,1,1 4lz4_A_,15,18,1,1 4lz4_A_,15,20,1,1 4lz4_A_,16,19,1,1