What is the meaning of Ezekiel 40:21?

* The two F.O.G. Bibles & Commentary below are currently a work in progress.

Its three gate chambers on each side, its side pillars, and its portico all had the same measurements as the first gate: fifty cubits long and twenty-five cubits wide.

Berean Standard Bible (BSB)

The lodges of it were three on this side and three on that side; and its posts and its arches were after the measure of the first gate: its length was fifty cubits, and the breadth twenty-five cubits.

World English Bible (WEB)

And the little chambers{H8372} thereof were three{H7969} on this side and three{H7969} on that side; and the posts{H352} thereof and the arches{H361} thereof were after the measure{H4060} of the first{H7223} gate{H8179}: the length{H753} thereof was fifty{H2572} cubits{H520}, and the breadth{H7341} five{H2568} and twenty{H6242} cubits{H520}.

Strong's King James

The F.O.G*

The F.O.G Paraphrase

and its little chambers, three on this side, and three on that side, and its posts and its arches have been according to the measure of the first gate, fifty cubits its length, and the breadth five and twenty by the cubit;

Young's Literal Translation