Dragon CTF 2021: CRC Recursive Challenge (Warmup)
![Dragon CTF 2021: CRC Recursive Challenge (Warmup)](https://mystiz.hk/images/2021-11-29-dragonctf/map.png)
@blackb6a played Dragon CTF 2021 last weekend and I spent most of the time solving the CRC duo. They are very fun but unfortunately that we were close enough while unable to get the second flag.