{TAIL ~ Methods} and systems of the present invention may be used to recognize digital image data arranged in rows and {HEAD ~ columns} 
{ TAIL ~ Methods } and systems of the present invention may be used to recognize digital image data arranged in rows and { HEAD ~ columns }
TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD