You shall make fifty loops on the one curtain, and fifty loops on the edge of the last curtain that is in the second set. The loops on one curtain correspond to the loops on the other.

Make fifty loops on the edge of the outermost curtain in the first set, and fifty loops on the edge of the outermost curtain in the second set.

He made fifty loops in the one curtain [of the first set] and fifty loops on the edge of the curtain which was in the second set; the loops were opposite one another.

He made fifty loops on the edge of the outermost curtain in the first set, and he made fifty loops on the edge of the outermost curtain of the second set.