{TAIL ~ a closed bottom end} having a second circumference of a second length, wherein the second length of {HEAD ~ the second circumference} is less than the first length of the first circumference, and 
{ TAIL ~ a closed bottom end } having a second circumference of a second length , wherein the second length of { HEAD ~ the second circumference } is less than the first length of the first circumference , and
TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH