You will need to run the following command before you can play this challenge:
docker run --rm --env PORT=80 -p 8082:80 squarectf/captcha
Charvises (the native species which lived on Charvis 8HD before the first settlers arrived) were very good at math. In a surprising symbiosis relationship between humans and Charvises, it was agreed that the Charvises would be responsible for C8.
Can you pass their CAPTCHA (Completely Automated Public Turing Test to tell Charvises and Humans Apart)?
WORK_AT_SQUARE(1), PRIVACY_POLICY(1), CODE_OF_CONDUCT(1)