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