The invention relates to a device and {HEAD ~ a method} for performing a cache process on {TAIL ~ data} 
The invention relates to a device and { HEAD ~ a method } for performing a cache process on { TAIL ~ data }
OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL