Sorry, I was distracted making puzzles.
Schlagwort: Rätsel
Birthday DEMOnstration.
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Bottom.
It is a great thing to find a puzzle; because, so long as it is puzzling one knows one has not got to the bottom of things.
Bertrand Russell - Autobiography
Top Hat.
Imagine you are one of ten prisoners locked up for extensive use of logic. To make you even more miserable, the guard comes up with a puzzle.
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