{TAIL ~ Defined transformation processing} is performed on {HEAD ~ a block} identified by the block position information and is based on the transformation parameter 
{ TAIL ~ Defined transformation processing } is performed on { HEAD ~ a block } identified by the block position information and is based on the transformation parameter
TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH