Read Ezekiel 40:17 Using Other Translations
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.
Then he brought me into the outer court. And behold, there were chambers and a pavement, all around the court. Thirty chambers faced the pavement.
Then the man brought me through the gateway into the outer courtyard of the Temple. A stone pavement ran along the walls of the courtyard, and thirty rooms were built against the walls, opening onto the pavement.