As a non-native English speaking teenager, I can attest that I spent at least a month on "figuring out" (i.e. basically trying everything on everything) the mon

As a non-native English speaking teenager, I can attest that I spent at least a month on "figuring out" (i.e. basically trying everything on everything) the monkey wrench puzzle. It wasn't until years later that I learned that it actually made any sense!