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Claude Fable 5.1 solves the Cyphral Distich, then hacks a chess eval

Claude Fable 5.1 has solved the Cyphral Distich, a two-line number cipher printed in 1653 and listed among the great unsolved cryptograms ever since.

  • Claude Fable 5.1 cracked Cyphral Distich cipher in 44 minutes
  • Key to solution was first letters of preceding paragraphs
  • Revealed message urging King Charles II to remain supreme ruler

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