{TAIL ~ The multi dimensional matrix symbol} 3, wherein {HEAD ~ a characteristic feature} comprises one of color, grey scale level, shape, and geometric pattern 
{ TAIL ~ The multi dimensional matrix symbol } 3 , wherein { HEAD ~ a characteristic feature } comprises one of color , grey scale level , shape , and geometric pattern
TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH