You have a Domino box. Domino tiles contain two numbers from 0 (empty) to 6. Tiles are unordered and 1-6 is the same as 6-1. The double-six set contains 28 unique tiles - all combinations of number pairs.
Several tiles fell out of the box. You should try to line up a chain from these tiles, compiling them to each other's suitable sides (sides with the same numbers). Thus, you can get a continuous chain of...
CheckiO Extensions allow you to use local files to solve missions. More info in a blog post.
In order to install CheckiO client you'll need installed Python (version at least 3.8)
Install CheckiO Client first:
pip3 install checkio_client
Configure your tool
checkio --domain=py config --key=
Sync solutions into your local folder
(in beta testing) Launch local server so your browser can use it and sync solution between local file end extension on the fly. (doesn't work for safari)
checkio serv -d
Alternatevly, you can install Chrome extension or FF addon
checkio install-plugin --ff
checkio install-plugin --chromium