The present invention relates to data coding in a communications channel, and more particularly to data coding that reduces {HEAD ~ unwanted bits patterns} in {TAIL ~ a communications channel} 
The present invention relates to data coding in a communications channel , and more particularly to data coding that reduces { HEAD ~ unwanted bits patterns } in { TAIL ~ a communications channel }
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 HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL