Ezekiel 42:8-10

New King James Version

⁸ The length of the chambers toward the outer court was fifty cubits, whereas that facing the temple was one ^(A)hundred cubits. ⁹ At the lower chambers was the entrance on the east side, as one goes into them from the outer court.

¹⁰ Also there were chambers in the thickness of the wall of the court toward the east, opposite the separating courtyard and opposite the building.