The encoded data corresponding to {HEAD ~ the plurality} of {TAIL ~ first blocks} is combined via a multiplexor and output from the encoding apparatus as a data stream 
The encoded data corresponding to { HEAD ~ the plurality } of { TAIL ~ first blocks } is combined via a multiplexor and output from the encoding apparatus as a data stream
OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH