> 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/2020/01/25.md).

# 25

![](https://385430918-files.gitbook.io/~/files/v0/b/gitbook-legacy-files/o/assets%2F-M8iFCzaIpXf8zXqpE6I%2F-MTV1hmYxf-lEClt7-nc%2F-MTV1punmJphtwKIWAKP%2Fimage.png?alt=media\&token=8865aa3a-46e3-4f89-8e3c-ef9f45f78b9d)