Challenging puzzle for experienced crossword solvers
Cryptic Codes of the Past
Moderate difficulty suitable for most players
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Across
- 1. Ancient Spartan tool using a wrapped strip to encode messages
- 4. Famous WWII encryption machine cracked by Allied cryptanalysts
Down
- 2. A monoalphabetic substitution cipher reversing the alphabet
- 3. Code using dots and dashes to represent letters
- 5. Polyalphabetic cipher using a keyword to shift letters
- 6. Ancient Roman cipher involving a fixed letter shift
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