[Start to manage the files in Darcs
kztk@kb.ecei.tohoku.ac.jp**20100914072445
 Ignore-this: 170d92f89cd58b793fdb0afe96ba3531
] 
hash: 0018603125-4dad8441d8abb904070e196718e4f3b053563056a2ca424ab66ad2c2716baa66