{TAIL ~ A decoded picture} is constructed from the transformation processed blocks, and the decoded picture is re arrayed on a scanning line basis and {HEAD ~ output} 
{ TAIL ~ A decoded picture } is constructed from the transformation processed blocks , and the decoded picture is re arrayed on a scanning line basis and { HEAD ~ output }
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 OTH HEAD HEAD HEAD HEAD HEAD