providing an image comprised of rows and {TAIL ~ columns} of pixels, each pixel associated with {HEAD ~ a respective pixel value} 
providing an image comprised of rows and { TAIL ~ columns } of pixels , each pixel associated with { HEAD ~ a respective pixel value }
OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD