In {HEAD ~ another aspect} of the present invention, a method of reading {TAIL ~ a multi dimensional matrix symbol} is provided 
In { HEAD ~ another aspect } of the present invention , a method of reading { TAIL ~ a multi dimensional matrix symbol } is provided
OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH