{TAIL ~ A bit pattern} represented by {HEAD ~ the dot matrix} is detected and written to generate a byte pattern 
{ TAIL ~ A bit pattern } represented by { HEAD ~ the dot matrix } is detected and written to generate a byte pattern
TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH