Exodus 26:4
And you shall make loops of blue on the edge of the outermost curtain in the first set. Likewise you shall make loops on the edge of the outermost curtain in the second set.
Exodus 26:5
Fifty loops you shall make on the one curtain, and fifty loops you shall make on the edge of the curtain that is in the second set; the loops shall be opposite one another.
Exodus 26:10-11
You shall make fifty loops on the edge of the curtain that is outermost in one set, and fifty loops on the edge of the curtain that is outermost in the second set.
Exodus 36:11-12
He made loops of blue on the edge of the outermost curtain of the first set. Likewise he made them on the edge of the outermost curtain of the second set.
Exodus 36:17
And he made fifty loops on the edge of the outermost curtain of the one set, and fifty loops on the edge of the other connecting curtain.