The codeword illustrated includes 12 bytes of payload data , including bytes a0 through ab, and {HEAD ~ 3 bytes} of {TAIL ~ redundancy data} , including bytes r1 through r3 
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The codeword illustrated includes 12 bytes of payload data , including bytes a0 through ab , and { HEAD ~ 3 bytes } of { TAIL ~ redundancy data } , including bytes r1 through r3
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH