{TAIL ~ The body} is open at {HEAD ~ a first or top end} and closed at a second or bottom end 
{ TAIL ~ The body } is open at { HEAD ~ a first or top end } and closed at a second or bottom end
TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH