The rope for the left: tie the rope down on the endwall arch first.Then lead the
rope to the bottom of the door cover from inside, then lead the rope from bottom
to the top then go through the pulley on the left
from outside, then lead the rope
from left pulley to the right upper pulley.
The rope for the right: tie the rope down on the endwall arch first.Then lead the
rope to the bottom of the door cover from inside, then lead the rope from bottom
to the top then go through the lower pulley on the right from outside.