Ezekiel 42:2-4

Amplified Bible

² Along the length, one hundred cubits, was the north door; and the width was fifty cubits. ³ Opposite the twenty cubits which belonged to the inner courtyard, and opposite the pavement which belonged to the outer courtyard, was gallery (balcony) corresponding to gallery in three stories. ⁴ In front of the [attached] chambers was an inner walkway ten cubits wide ^[a]and one hundred cubits long; and their entrances were on the north.