{TAIL ~ Each row} of {HEAD ~ pixels} may be equal to m and n, and may be 160 
{ TAIL ~ Each row } of { HEAD ~ pixels } may be equal to m and n , and may be 160
TAIL TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH