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The official Challenge 9A hints thread

The Body in My Library Forums Harry’s Meeting Place The official Challenge 9A hints thread

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  • This topic has 27 replies, 25 voices, and was last updated 2 months ago by yann2023.
Viewing 13 posts - 16 through 28 (of 28 total)
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    Posts
  • #92620
    Jake
    Participant

    This took me a good long while to crack, and a good chunk of that was trying to find what this cipher is called!

    I hope one of the folk involved posts what the name of the cipher is as well as the solution on Thursday. Even if it’s just a houseruled variant on the similar (but not the same) ciphers that my searches are getting me.

    #92622
    ADRA
    Participant

    Dear Harry,

    Can we please get some help. We are struggling very much

    [Do read the tips published here in the forum (we have a couple more good ones to publish soon, too, and research classical ciphers on the web to see what you can find! Good luck, Harry]

    #92565
    Cricket11
    Participant

    Rolling a rock up a hill is hard

    #92624
    f6exb_the_frenchy
    Participant

    At first I thought of a columnar transposition with alternating rising and descending columns.
    I lost a lot of time.

    [Nice idea though. Harry]

    #92625
    xX0kr0nXx
    Participant

    Where are the hints please?

    [The hints from other competitors on this forum thread have been so good we have just been posting them instead of our own hints, so read the thread carefully and see what you can glean! Best wishes and good luck, Harry]

    #92540
    Jake
    Participant

    My first thought on seeing the frequency analysis here was Vigenere. It’s not, but looking at even-numbered strings (strings of every 2nd letter, every 4th letter, etc) did reveal something about those letters.

    As for the other half? No idea.

    #92618
    f6exb_the_frenchy
    Participant

    Imagine that Harry writes to Jodie:
    Half of the letters are clear. There are still the “ups” to decipher.

    #92631
    Dvorak
    Participant

    I’ve been thinking…

    If Neo is The One, and he went for a climb up a hill, how many ones would be in the Matrix?

    #92639
    cleverdumb
    Participant

    Does the road wind up-hill all the way?
    Yes, to the very end.
    Will the day’s journey take the whole long day?
    From morn to night, my friend.

    But is there for the night a resting-place?
    A roof for when the slow dark hours begin.
    May not the darkness hide it from my face?
    You cannot miss that inn.

    Shall I meet other wayfarers at night?
    Those who have gone before.
    Then must I knock, or call when just in sight?
    They will not keep you standing at that door.

    Shall I find comfort, travel-sore and weak?
    Of labour you shall find the sum.
    Will there be beds for me and all who seek?
    Yea, beds for all who come.

    – Poem by Christina Rossetti

    #92645
    Sharpy201
    Participant

    what is the decipher still haven’t figured it out

    #92648
    frazza238
    Participant

    Over the HILL and far away, the solution to 9A comes your way.

    #92650
    The_Letter_Wriggler
    Participant

    How many for the hill? They go up 2 by 2 lets count, one, erm one, ho and another one! Crazy? But now you get to read what you want!

    #92845
    yann2023
    Participant

    Can someone post a more precise hint to describe what is that cypher

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