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