Ezekiel 41:6

The side rooms were arranged one above another in three levels of thirty rooms each. There were ledges all around the wall of the temple to serve as supports for the side rooms, so that the supports would not be fastened into the wall of the temple itself.
BSB · Berean Standard Bible
And the side chambers were three, one over another, and thirty in order; and they entered into the wall which was of the house for the side chambers round about, that they might have hold, but they had not hold in the wall of the house.

Note one…: Heb. side chamber over side chamber

Note thirty…: or, three and thirty times, or, foot

Note have hold: Heb. be holden

KJV · King James Version
The side rooms were in three stories, one over another, and thirty in each story. They entered into the wall which belonged to the house for the side rooms all around, that they might be supported and not penetrate the wall of the house.
WEB · World English Bible
And the side-chambers were in three stories, one over another, and thirty in order; and they entered into the wall which belonged to the house for the side-chambers round about, that they might have hold therein, and not have hold in the wall of the house.
ASV · American Standard Version

Related passages

From the Treasury of Scripture Knowledge, grouped by the word they explain.

and they
1 Kings 6:6, 10
have held
Heb. be holden.
1 Peter 1:5