Use of {TAIL ~ an interleaving memory} can also be avoided by turning off or disabling the interleaver, while still permitting data to be sent along {HEAD ~ the interleave path} 
Use of { TAIL ~ an interleaving memory } can also be avoided by turning off or disabling the interleaver , while still permitting data to be sent along { HEAD ~ the interleave path }
OTH OTH 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 HEAD HEAD HEAD HEAD HEAD HEAD HEAD