In front of each alcove was a wall one cubit high, and the alcoves were six cubits square.
NIV
And a border or barrier before the guardrooms was one cubit on this side, and a border or barrier, one cubit on that side. And the guardrooms or lodges were six cubits on this side and six cubits on that side.
AMP
The space also before the little chambers was one cubit on this side, and the space was one cubit on that side: and the little chambers were six cubits on this side, and six cubits on that side.
KJV