Ezekiel 41:9
The outer wall of the side chambers was five cubits thick, and there was an empty space between the Temple's side chambers
Ezekiel 41:11
The side chamber doorway facing the free space contained a single north-facing doorway and a second south-facing doorway. The width of the free space was five cubits all around the perimeter.
Ezekiel 42:1
Then he brought me to the outer, north-facing courtyard into the chamber that stood opposite the structure that was facing north.
Ezekiel 42:4
In front of the chambers there was an inner walkway ten cubits wide and 100 cubits wide, the openings to which were on the north.