Exodus 26:20

And for the second side of the tabernacle, the north side, there shall be twenty boards

Surrounding context

26:19 You shall make forty sockets of silver under the twenty boards: two sockets under each of the boards for its two tenons.

26:20 And for the second side of the tabernacle, the north side, there shall be twenty boards

26:21 and their forty sockets of silver: two sockets under each of the boards.

Translation and sources