Exodus 36:20 introduces the boards that this verse gives dimensions for.

Exodus 36:23 specifies twenty boards for the south side, building on the dimensions here.

Exodus 36:25 adds twenty boards for the north side, complementing these dimensions.

Exodus 36:27 describes six boards for the rear, continuing the construction from these dimensions.

Exodus 36:28 mentions two corner boards, further specifying the structure based on these dimensions.