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