I'm a big fan of this Dudeney puzzle: mathstodon.xyz/@dudeney_puzzl…
it's very much in "I want to show you this cool thing I found" territory though, rather than something you'd realistically solve entirely yourself
I'm a big fan of this Dudeney puzzle: mathstodon.xyz/@dudeney_puzzl…
it's very much in "I want to show you this cool thing I found" territory though, rather than something you'd realistically solve entirely yourself