A variable cell/s in known location/s on the border can also have information about the symbol such as {HEAD ~ number} of {TAIL ~ cells} on each axis, where to locate the descriptor block, an encryption code and the like 
of
A variable cell / s in known location / s on the border can also have information about the symbol such as { HEAD ~ number } of { TAIL ~ cells } on each axis , where to locate the descriptor block , an encryption code and the like
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH