pair,contact1,contact2,flow1,flow2 6pdz_C_,2,6,1,1 6pdz_C_,3,7,1,1 6pdz_C_,4,8,1,1 6pdz_C_,5,9,1,1 6pdz_C_,6,10,1,1 6pdz_C_,7,11,1,1 6pdz_C_,8,12,1,1 6pdz_C_,9,13,1,1