{HEAD ~ The features}, for example, include colors, grey scale levels, {TAIL ~ cell shape}, patterns within a cell or any grouping discernable by an area array camera or similar device 
include
{ HEAD ~ The features } , for example , include colors , grey scale levels , { TAIL ~ cell shape } , patterns within a cell or any grouping discernable by an area array camera or similar device
HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH REL OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH