Ezekiel 40:15-17

Young's Literal Translation

¹⁵ and by the front of the gate of the entrance, by the front of the porch of the inner gate, fifty cubits;

¹⁶ and narrow windows [are] unto the little chambers, and unto their posts at the inside of the gate all round about -- and so to the arches -- and windows all round about [are] at the inside, and at the post [are] palm-trees.

¹⁷ And he bringeth me in unto the outer court, and lo, chambers and a pavement made for the court all round about -- thirty chambers on the pavement --