{TAIL ~ Each module} having a one to one correspondence with {HEAD ~ a bit} in a data array and comprising X columns and Y rows of pixels 
{ TAIL ~ Each module } having a one to one correspondence with { HEAD ~ a bit } in a data array and comprising X columns and Y rows of pixels
TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH