(2021-01-25) The comment was added. The title notation was changed.
(2019-08-06) The pattern was modified.(ver. 2.1)
(2019-08-05) The pattern was re-uploaded.(ver. 2.0)
(2017-08-27) The pattern was closed.
(2017-08-07) The pattern was re-uploaded. (ver. 1.1)
(2016-08-21) The pattern was closed.
(2016-08-06) The pattern was re-uploeaded.(ver. 1.1)
(2012-04-08) The pattern was closed.
(2011-08-06) The pattern was re-uploaded.(ver. 1.1)
(2007-12-02) The pattern was closed.