Atbash is a simple substitution cipher in which the first letter of the alphabet is replaced with the last, the second with the next-to-last, and so on. It can be used with any alphabet, but was originally used with the Hebrew alphabet; instances of it appear in the Hebrew Bible.
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MIT Mystery Hunt 2017 The Leaning Tower of Sheshach
MIT Mystery Hunt 2018 Texts from Mom
MIT Mystery Hunt 2020 Penny Park Guide
MIT Mystery Hunt 2024 A Process of Elimination
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