(16/22)
http://science6.2ch.net/test/read.cgi/rikei/1105555313/274 2009/12/11 02:35:53
http://science6.2ch.net/test/read.cgi/math/1252676743/653 2009/12/17 01:28:17
http://science6.2ch.net/test/read.cgi/nougaku/984958690/612 2009/12/17 02:05:56
http://science6.2ch.net/test/read.cgi/rikei/1258506897/134 2009/12/19 02:46:17