Then brought he me into the outward court, and, lo, there were chambers, and a pavement made for the court round about: thirty chambers were upon the pavement.
Pavement made for the court - tesselated mosaic (Esther 1:6, "a pavement of red, and blue, and white, and black marble").
Thirty chambers were upon the pavement - serving as lodgings for the priests on duty in the temple, and as receptacles of the tithes of salt, wine, and oil.