Ezekiel 41:6-9

6And the side chambers were in three stories, one over another, thirty in each story. There were offsets all around the wall of the temple to serve as supports for the side chambers, so that they should not be supported by the wall of the temple. 7And it became broader as it wound upward to the side chambers, because the temple was enclosed upward all around the temple. Thus the temple had a broad area upward, and so one went up from the lowest story to the top story through the middle story. 8I saw also that the temple had a raised platform all around; the foundations of the side chambers measured a full reed of six long cubits. 9The thickness of the outer wall of the side chambers was five cubits. The free space between the side chambers of the temple