I appreciate A LOT all the work you did with this (and your other) world(s). Very good! From introduction/the very basics to the most complicated examples. THANK YOU! And wishing you the same! :)
(13 years ago) Sweet puzzle ! :)
Took me 5 tries.
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EDIT 2022, 21th Oct.: I re-beat it and giving stars, now. Very good puzzle! Easy to lose steps. :)