a second pass thru {HEAD ~ divider} having {TAIL ~ at least one hole} at the bottom, spaced away from the first pass thru divider and in the interior of the main box 
having
a second pass thru { HEAD ~ divider } having { TAIL ~ at least one hole } at the bottom , spaced away from the first pass thru divider and in the interior of the main box
OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH