Kadai3 - 更新 20140827
Revert "Kadai2"

This reverts commit bdf1309eb0575500db4d44a94386fdcb6cc4baa6.
Revert "Revert "Kadai2""

This reverts commit 1b393a5e061b512777e7976d73d525fca9a751d9.
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更新　20140826
更新　20140826