Genesis 6:16

You shall make a window in the ark, and you shall complete it within a cubit of the top. Then you shall set the door of the ark at its side. You shall make in it: a lower part, upper rooms, and a third level

Other versions

King James Version

A window shalt thou make to the ark, and in a cubit shalt thou finish it above; and the door of the ark shalt thou set in the side thereof; with lower, second, and third stories shalt thou make it.

English Standard Version

Make a roof for the ark, and finish it to a cubit above, and set the door of the ark in its side. Make it with lower, second, and third decks.

New International Version

Make a roof for it and finish the ark to within 18 inches of the top. Put a door in the side of the ark and make lower, middle and upper decks.