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