![](https://sp-ao.shortpixel.ai/client/to_auto,q_glossy,ret_img,w_340,h_340/https://circuspiefpaf.nl/wp-content/uploads/2020/05/code-1-almost.png)
I tried the code but the lock isn’t opening. We will get there!
Take a good look at the answer sheet and see if your calculations are correct. Maybe you forgot something. You can do it!
If you don’t know what to do anymore. Take a look at the hints we have for you.