pair,contact1,contact2,flow1,flow2 8uhg_X_,1,5,1,1 8uhg_X_,2,6,1,1 8uhg_X_,3,7,1,1 8uhg_X_,4,8,1,1 8uhg_X_,5,9,1,1 8uhg_X_,6,10,1,1 8uhg_X_,7,11,1,1 8uhg_X_,8,12,1,1 8uhg_X_,9,13,1,1 8uhg_X_,10,14,1,1 8uhg_X_,11,15,1,1