Exodus 26:9

Five of these you shall join by themselves, and six of these you shall couple to one another, in such a manner as to double the sixth canopy at the front of the roof

Other versions

King James Version

And thou shalt couple five curtains by themselves, and six curtains by themselves, and shalt double the sixth curtain in the forefront of the tabernacle.

English Standard Version

You shall couple five curtains by themselves, and six curtains by themselves, and the sixth curtain you shall double over at the front of the tent.

New International Version

Join five of the curtains together into one set and the other six into another set. Fold the sixth curtain double at the front of the tent.