[old] Break Rings
A blacksmith gave his apprentice a task, ordering them to make a selection of rings. The apprentice is not yet skilled in the craft and as a result of this, some (to be honest, most) of rings came out connected together. Now he's asking for your help separating the rings and deciding how to break enough rings to free so as to get the maximum number of rings possible.
All of the rings...
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=js 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
Read more here about other functionality that the checkio client provides. Feel free to submit an issue in case of any difficulties.