9 The outer wall of the side rooms was five cubits thick. The open area between the side rooms of the temple

Read Ezekiel 41:9 Using Other Translations

The thickness of the wall, which was for the side chamber without, was five cubits: and that which was left was the place of the side chambers that were within.
The thickness of the outer wall of the side chambers was five cubits. The free space between the side chambers of the temple and the
The outer wall of the Temple’s side rooms was 8 feet thick. This left an open area between these side rooms