LXX2012(i)
13 And these are the measures of the altar by the cubit of a cubit and a span, the cavity [shall be] a cubit deep, and a cubit shall be the breadth, and the border on the rim of it round about shall be a span: and this [shall be] the height of the altar
14 from the bottom at the commencement of the hollow part to this great mercy-seat, from beneath was two cubits, and the breadth was a cubit; and from the little mercy-seat to the great mercy-seat, four cubits, and the breadth was a cubit.
15 And the altar [shall be] four cubits; and from the altar and above the horns a cubit.
16 And the altar [shall be] of the length of twelve cubits, by twelve cubits [in breadth], square upon its four sides.
17 And the mercy-seat [shall be] fourteen cubits in length, by fourteen cubits in breadth on its four sides; and [there shall be] a border to it carried round about it of half a cubit; and the rim of it [shall be] a cubit round about; and the steps thereof looking eastward.