What does 1 Kings 6:20 mean?

And within the oracle was a space of twenty cubits in length, and twenty cubits in breadth, and twenty cubits in the height thereof; and he overlaid it with pure gold: and he covered the altar with cedar.

And the oracle in the forepart was twenty cubits in length, and twenty cubits in breadth, and twenty cubits in the height thereof: and he overlaid it with pure gold; and so covered the altar which was of cedar.

And within the oracle was a space of twenty cubits in length, and twenty cubits in breadth, and twenty cubits in the height thereof; and he overlaid it with pure gold: and he covered the altar with cedar.

And the inmost room was twenty cubits square and twenty cubits high, plated over with clear gold, and he made an altar of cedar-wood, plating it with gold.

And before the oracle <FI>is<Fi> twenty cubits in length, and twenty cubits in breadth, and twenty cubits <FI>is<Fi> its height; and he overlayeth it with gold refined, and overlayeth the altar with cedar.

Now the oracle was twenty cubits in length, and twenty cubits in breadth, and twenty cubits in height. And he covered it, and overlaid it with most pure gold. And the altar also he covered with cedar.

And the oracle within was twenty cubits in length, and twenty cubits in breadth, and twenty cubits in the height thereof; and he overlaid it with pure gold; and he overlaid the cedar-wood altar —