1	http://www.google.co.jp/search?hl=ja&q=mod_rewrite+If-Modified-Since&btnG=Google+%E6%A4%9C%E7%B4%A2&lr=lang_ja
1	http://www.google.co.jp/search?hl=ja&q=mod_rewrite+Modified-Since&btnG=Google+%E6%A4%9C%E7%B4%A2&lr=lang_ja
1	http://www.google.co.jp/search?q=IMS+304+code&hl=ja&lr=lang_ja&start=60&sa=N
1	http://www.google.co.jp/search?hl=ja&q=http+304+IMS&btnG=Google+%E6%A4%9C%E7%B4%A2&lr=lang_ja