It began with a normal Saturday afternoon. Judy, driving off in a rush from the garage, forgot to log off from her Facebook account on the computer. Her husband Andrew took the chance to scan through Judy's messages. He found a strange conversation that seems to have happened just a while ago:

Bob:     2zfd hlj vfdd gl kbng
Judy:    4twa
Bob:     6o nppl s jpyr;
Judy:    8o35[w yqf3 r7h

Frustrated, he saved the message to study later and shut down the computer so Judy wouldn't know he checked her messages.

Two weeks later, Andrew got a chance to gain access to Judy's Facebook account again when she rushed to the bathroom with diarrhea. He opened up the messenger and sent Bob the following:


Soon after that evening, Bob was found dead in his apartment from a heart attack.

Can you tell what is happening in the story, and more important, what's in the message?

  • $\begingroup$ Interesting cipher. But I downvoted because I found the story a bit disturbing. Sorry. $\endgroup$ May 7, 2016 at 9:27
  • 1
    $\begingroup$ The moral of the story: Don't do the crime if you can't do the time! $\endgroup$ May 7, 2016 at 9:57
  • 4
    $\begingroup$ @KeyboardWielder I'm not certain personal feelings justifies a down vote. $\endgroup$
    – user16469
    May 7, 2016 at 14:08
  • $\begingroup$ @Zymus You can discuss it, but that's all you can. Voting is subjective, and is a matter of choice, unless a clear misbehaviour is going on :-) $\endgroup$
    – yo'
    May 7, 2016 at 19:23
  • $\begingroup$ Thanks for all the support! As for KeyboardWielder, my apologize you found it disturbing, hopefully it's not mirroring something happened in real life. $\endgroup$
    – Alex
    May 7, 2016 at 21:39

1 Answer 1


1st dialog:

Bob: are you free tonight (space is ambiguous here for n)
Judy: yes
Bob: i book a hotel
Judy: let's have fun

Andrew's message:



First digit indicates which neighbor key to look on the keyboard for the message: 2 = up, 4 = right, 6 = left, 8 = down. The opposite direction is used for encoding - the same as in numeric keypad.

And answer to the question:

The story is contained in the messages... I think no more details are needed ;)

  • $\begingroup$ Nicely done! Hope this cipher puzzle isn't too easy for ya $\endgroup$
    – Alex
    May 6, 2016 at 21:36
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    $\begingroup$ @Alex Thanks! It wouldn't be easy if looked only from deciphering point of view - in fact there are 4 different substitution ciphers. I think thoughts of what practically can be used for real-time ciphering a message using keyboard helped me a lot :) $\endgroup$
    – kamenf
    May 6, 2016 at 21:44
  • $\begingroup$ Hahahahahhhhahahhahahahahaaaa this post deserves a legendary status Hahahahahaaa $\endgroup$ May 10, 2016 at 19:27

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