[old] Break Rings

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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...

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In order to install CheckiO client you'll need installed Python (version at least 3.8)

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