Reference for Ezekiel 41:9

רֹ֣חַב הַקִּ֧יר אֲ‍ֽשֶׁר־לַצֵּלָ֛ע אֶל־הַח֖וּץ חָמֵ֣שׁ אַמּ֑וֹת וַאֲשֶׁ֣ר מֻנָּ֔ח בֵּ֥ית צְלָע֖וֹת אֲשֶׁ֥ר לַבָּֽיִת׃

The breadth of the outer wall which belonged to the side-chambers was five cubits; and so that which was left by the structure of the side-chambers that belonged to the house.