It is to be noted that the pre erase program operation is executed according to the prior art, whereas {HEAD ~ this operation} is not executed in {TAIL ~ this embodiment}  
is not executed in
It is to be noted that the pre erase program operation is executed according to the prior art , whereas { HEAD ~ this operation } is not executed in { TAIL ~ this embodiment }
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 REL REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH