> For the complete documentation index, see [llms.txt](https://www.oulan.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://www.oulan.com/2016/11/14.md).

# 14

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![](https://385430918-files.gitbook.io/~/files/v0/b/gitbook-legacy-files/o/assets%2F-M8iFCzaIpXf8zXqpE6I%2F-MGL6pT-e28ppYqCV_O6%2F-MGL7HqfNLDpcyVsuxp-%2FPNG%E5%9B%BE%E5%83%8F.png?alt=media\&token=85a7faa7-201a-4c19-8cae-83bf399b7a6c)