> For the complete documentation index, see [llms.txt](https://giongfnef.gitbook.io/ctf-2021/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://giongfnef.gitbook.io/ctf-2021/ctf2021-1.md).

# CTF2021

- [Table of contents](https://giongfnef.gitbook.io/ctf-2021/ctf2021-1/summary.md)