For the back of the tabernacle westward he made six boards.
For the back of the tabernacle, to the west, you shall make six boards.
and five bars for the boards of the other side of the tabernacle, and five bars for the boards of the side of the tabernacle for the back to the west.
and their forty sockets of silver: two sockets under one board, and two sockets under another board.
He made two boards for the corners of the tabernacle at the back.