> For the complete documentation index, see [llms.txt](https://docs.batching.ai/codecaching/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.batching.ai/codecaching/overview/puzzle-solving.md).

# Puzzle Solving

<figure><img src="https://content.gitbook.com/content/IXBzRMrkDXr1yUS0Lwth/blobs/lXfJSdT00KGwjQknHn5U/%E1%84%89%E1%85%B3%E1%84%8F%E1%85%B3%E1%84%85%E1%85%B5%E1%86%AB%E1%84%89%E1%85%A3%E1%86%BA%202024-08-09%20%E1%84%8B%E1%85%A9%E1%84%92%E1%85%AE%206.20.56.png" alt=""><figcaption></figcaption></figure>

* Solvers pay 1 Cookie to attempt solving a puzzle.
* The solver can view attributes such as difficulty, title, creator's wallet address, participation period, mood, and total reward.
* If no one solves the puzzle within the participation period (1 hours), the puzzle can be carried over to the next period.

### Valid answer&#x20;

* Find the hidden characters in the image.&#x20;
* Higher difficulty levels may include additional gimmicks.

```
a-z, A-Z, 0123456789, ~!@#$%^&()-=+[]<>?/
```