{HEAD ~ The compressor} includes structure for detecting a data image pattern and for generating a code representing {TAIL ~ the detected data image pattern} 
{ HEAD ~ The compressor } includes structure for detecting a data image pattern and for generating a code representing { TAIL ~ the detected data image pattern }
HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL