In which we bravely overcome ambiguity, and dodge two approaches in the face of (O³).
In which Raku solutions give shape to Perl solutions, and vice versa, and then Raku does what Raku does best.
Task 1: Swap Nibbles - basic and extended solutions in Raku and Perl.
Task 2: Sequence of symbols 123 without adjacent 1’s. Solutions in Raku and Perl, then a radically different approach that I would have never discovered in anything but Raku.