The control circuit increases an erasing voltage in accordance with {TAIL ~ the number} of {HEAD ~ times} the erasing loop is repeated 
The control circuit increases an erasing voltage in accordance with { TAIL ~ the number } of { HEAD ~ times } the erasing loop is repeated
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH