Make loops of blue cloth on the edge of the end curtain of one set, and do the same for the end curtain of the other set.
Sew five curtains together for one set, and sew the other curtains together for the second set.
Make fifty loops on the end curtain of the first set and fifty loops on the end curtain of the second set. These loops must be opposite each other.
They made fifty loops along the edge of the outside curtain of one set and fifty loops along the edge of the outside curtain of the other set.