For some reason this reminded me of the [id://Hanoi|Towers of Hanoi]. There are of course some differences (slots<n in Hanoi, no swapping either {jlongino++}), but they do seem to be rather similar.

--
perl -pe "s/\b;([st])/'\1/mg"

In reply to Re: sort with fewest moves by belg4mit
in thread sort with fewest moves by axelrose

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