Examples of algorithms used to select access codes from memory include a rotating algorithm for sequencing next access codes stored in {HEAD ~ memory} in {TAIL ~ a predetermined order} or sequence which are rotated one after the other 
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Examples of algorithms used to select access codes from memory include a rotating algorithm for sequencing next access codes stored in { HEAD ~ memory } in { TAIL ~ a predetermined order } or sequence which are rotated one after the other
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 TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH