In particular, {HEAD ~ this invention} is manifested in a memory device that includes a redundant memory block to replace {TAIL ~ a defective memory block} 
In particular , { HEAD ~ this invention } is manifested in a memory device that includes a redundant memory block to replace { TAIL ~ a defective memory block }
OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL