The disclosure relates to counters that require the counting to be done under {HEAD ~ conditions} of {TAIL ~ high security} 
of
The disclosure relates to counters that require the counting to be done under { HEAD ~ conditions } of { TAIL ~ high security }
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