WEB
The nethermost story was five cubits broad, and the middle was six cubits broad, and the third was seven cubits broad; for on the outside he made offsets in the wall of the house all around, that the beams should not have hold in the walls of the house.
YLT
The lowest couch, five by the cubit is its breadth; and the middle, six by the cubit is its breadth; and the third, seven by the cubit is its breadth, for withdrawings he hath put to the house round about, without—not to lay hold on the walls of the house.