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Thread: Jack of Diamonds Grid

  1. #11
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    i tried decrypting this grid as vigenere recently but with the grid turned into a diamond shape and then read left to right so the start of the sequences would be

    P-GB-BZT-....

    and

    K-KA-FPJ-...

    again no keyword lengths suggested themselves strongly - again not enough repeating 3 letter sequences. And letter frequency analysis across any possible keyword length from 6-20 didn't have any strong stand outs either.

    ---

    Are we sure this puzzle is vigenere - in the book the only evidence they give for the puzzle being vigenere is that Cellarius was around at the time when vigenere was a common cipher.

    Come to think of it, the way in the book that they (about three different groups) solve it is a little suspect. With no evidence it is vigenere and a corner ripped which surely messes things up, Pfeffer still goes ahead with a vigenere frequency attack, and the other two groups just happen to guess the password which works first time by taking a couple of rivers from the map which are out of place.
    Also if the pigpen is laid out around the map border then there is a second valid way to get the jumbled letters which is to read the bottom of the letter as facing inwards - this isn't discussed either - also if it is a decoration then presumably it goes all the way round - so where to start the message - oh well it is a made up story!

    On our map everything is out of place, or made up, and the book gives us a million possible keywords which makes the next part very difficult.

  2. #12
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    It reminds me a little of Mysterious Stranger where the puzzle was hidden in a David Blaine book - the author had authenticated the puzzle was solvable by giving different parts of it to friends, but when the bits were buried in a book there were so many wrong turns, blind alleys, that in the end they had to give extra clues out to keep us on track.

    I see that Stephen has added a rune puzzle piece since the puzzle began - which is good - hopefully he will give us some indication on what to do with these grids when we get really stuck.

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