http://kamome.2ch.net/test/read.cgi/math/1291376947/338 2011/03/06 23:14:39.44
http://kamome.2ch.net/test/read.cgi/math/1293882228/652 2011/03/06 23:15:57.82
http://kamome.2ch.net/test/read.cgi/math/1288321494/178 2011/03/07 02:34:09.52
http://kamome.2ch.net/test/read.cgi/math/1299254162/58 2011/03/07 03:02:18.32
http://kamome.2ch.net/test/read.cgi/math/1299254162/70 2011/03/07 04:09:34.85