וְתָאֵ֨י הַשַּׁ֜עַר דֶּ֣רֶךְ הַקָּדִ֗ים שְׁלֹשָׁ֤ה מִפֹּה֙ וּשְׁלֹשָׁ֣ה מִפֹּ֔ה מִדָּ֥ה אַחַ֖ת לִשְׁלָשְׁתָּ֑ם וּמִדָּ֥ה אַחַ֛ת לָאֵילִ֖ם מִפֹּ֥ה וּמִפּֽוֹ׃
And the cells of the gate eastward were three on this side, and three on that side; they three were of one measure; and the posts had one measure on this side and on that side.
Read midrashic interpretation of Ezekiel 40:10: and classical rabbinic exegesis.