{HEAD ~ The value} of {TAIL ~ the elements} in the resulting data array indicate the brightness of their corresponding pixels in the image array 51 
of
{ HEAD ~ The value } of { TAIL ~ the elements } in the resulting data array indicate the brightness of their corresponding pixels in the image array 51
HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH