Ezekiel 40:11 Midrash

וַיָּ֛מָד אֶת־רֹ֥חַב פֶּֽתַח־הַשַּׁ֖עַר עֶ֣שֶׂר אַמּ֑וֹת אֹ֣רֶךְ הַשַּׁ֔עַר שְׁל֥וֹשׁ עֶשְׂרֵ֖ה אַמּֽוֹת׃

And he measured the breadth of the entry of the gate, ten cubits; and the length of the gate, thirteen cubits;