Parallel
Ezekiel 41:21
Swete's Septuagint · Berean Standard Bible
καὶ τὸ ἅγιον καὶ ὁ ναὸς ἀναπτυσσόμενος τετράγωνα· κατὰ πρόσωπον τῶν ἁγίων ὄρἀσις ὡς ὄψις
The outer sanctuary had a rectangular doorframe, and the doorframe of the sanctuary was similar.