Map of mountain range
http://www.hello-school.net/harochir...chiri01005.gif
Influence that opens valve of open (March)
http://gunma.zamurai.jp/pub/2011/18juneJG.jpg
If someone planes the mountain range, it might be a hazard.
Please permit poor English. orz
Cryptanalysis is necessary for you.
set a goal：English at the same level as Johan Cruyff