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