Backup source of LRU (No. 1)

• Backup list
• View the diff.
• View the diff current.
• View the diff for visual.
• View the backup.
• Go to LRU.
  • 1 (2014-12-01 (Mon) 22:35:23)

TITLE:Least Recently Used (LRU)

- http://ja.wikipedia.org/wiki/Least_Recently_Used