While in Norway doing some maths shows I was given a tshirt and a puzzle. Both are very mathematical.

If you have not tried a "Prisoners in Hats Puzzle" before, I explain the basic version. If you have seen it before, I also give a variation which I had not come across previously. Give it a go!

MathsJam: [ Ссылка ]
Math-Jam: [ Ссылка ]

If you want to discuss this puzzle somewhere more comfortable, it seems I have a fledgling subreddit: [ Ссылка ]

Music by Howard Carter
Design by Simon Wright

MATT PARKER: Stand-up Mathematician
Website: [ Ссылка ]
Book: [ Ссылка ]
Nerdy maths toys: [ Ссылка ]

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