Exodus 26:9

9Five 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.
26:9The joints of the joined eleven canopies were staggered (off-set) from the joints of the ten canopies. Thus the seams would not leak rain. Each seam of the ten curtains was covered by the middle of a canopy of the eleven. The canopy hung down further in both the front and the back as a result of the additional length, but it was folded over only in the front.(Conte)
Copyright information for CPDV