Reverse-string 48in24 approaches

[michalporeba]

As discussed on the forum, approaches for the 48in24.

[github-actions]

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[michalporeba]

@ErikSchierboom, @iHiD, could you re-open the issue?

[michalporeba]

Apologies for the above close PR. It was clearly a mistake. I'll be working on the reverse string approaches.