{TAIL ~ Corresponding segments} are shown for the case of four bit planes and {HEAD ~ four bitrate groups}  
{ TAIL ~ Corresponding segments } are shown for the case of four bit planes and { HEAD ~ four bitrate groups }
TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH