ותאו [וְתָאָ֗יו] שְׁלוֹשָׁ֤ה מִפּוֹ֙ וּשְׁלֹשָׁ֣ה מִפּ֔וֹ ואילו [וְאֵילָ֤יו] ואלמו [וְאֵֽלַמָּיו֙] הָיָ֔ה כְּמִדַּ֖ת הַשַּׁ֣עַר הָרִאשׁ֑וֹן חֲמִשִּׁ֤ים אַמָּה֙ אָרְכּ֔וֹ וְרֹ֕חַב חָמֵ֥שׁ וְעֶשְׂרִ֖ים בָּאַמָּֽה׃
And the cells thereof were three on this side and three on that side; and the posts thereof and the arches thereof were after the measure of the first gate; the length thereof was fifty cubits, and the breadth five and twenty cubits.
Read halakhic rulings (Jewish law) on Ezekiel 40:21: and classical halakhic sources.