{TAIL ~ The top ply} 3″ includes {HEAD ~ a wall} 13″ which extends from the top ply bottom surface 3 b″ 
{ TAIL ~ The top ply } 3″ includes { HEAD ~ a wall } 13″ which extends from the top ply bottom surface 3 b″
TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH