Return to Unfiction unforum
 a.r.g.b.b 
FAQ FAQ   Search Search 
 
Welcome!
New users, PLEASE read these forum guidelines. New posters, SEARCH before posting and read these rules before posting your killer new campaign. New players may also wish to peruse the ARG Player Tutorial.

All users must abide by the Terms of Service.
Website Restoration Project
This archiving project is a collaboration between Unfiction and Sean Stacey (SpaceBass), Brian Enigma (BrianEnigma), and Laura E. Hall (lehall) with
the Center for Immersive Arts.
Announcements
This is a static snapshot of the
Unfiction forums, as of
July 23, 2017.
This site is intended as an archive to chronicle the history of Alternate Reality Games.
 
The time now is Mon Nov 18, 2024 7:25 pm
All times are UTC - 4 (DST in action)
View posts in this forum since last visit
View unanswered posts in this forum
Calendar
 Forum index » Diversions » Perplex City Puzzle Cards » PXC: Silver Puzzle Cards
[Puzzle] #243 Silver - Shuffled Part 2 (Read 1st Post!)
Moderators: AnthraX101, bagsbee, BrianEnigma, cassandra, Giskard, lhall, Mikeyj, myf, poozle, RobMagus, xnbomb
View previous topicView next topic
Page 18 of 59 [877 Posts]   Goto page: Previous 1, 2, 3, ..., 16, 17, 18, 19, 20, ..., 57, 58, 59  Next
Author Message
Guin
Unfettered


Joined: 11 Jan 2006
Posts: 400
Location: Antartica

just a thought having been tinkering with the new find - could it not be UHUFFLED X FOURTH PRIME? Or rather SHUFFLED x 7 as the key. Have tried SHUFFLEDSHUFFLEDSHUFFLEDSHUFFLEDSHUFFLEDSHUFFLEDSHUFFLED and UHUFFLEDUHUFFLEDUHUFFLEDUHUFFLEDUHUFFLEDUHUFFLEDUHUFFLED but to no avail using standard 108 characters - I am now working on variations of the 108.

EDIT - seven times solitaired /EDIT

Another thought - again so far to no avail - wouldnt an outward rifle be more appropriate given the clue? I have used teh deck as presented in the new motor pack (JJDCHS)

so this is 53, 40, 28, 3, 17, 45, 33, 8, 22, 50, 38, 13, 1, 15, 43, 31, 6, 20, 48, 36, 11, 25, 54, 41, 29, 4, 18, 46, 34, 9, 23, 51, 39, 27, 2, 16, 44, 32, 7, 21, 49, 37, 12, 26, 14, 42, 30, 5, 19, 47, 35, 10, 24, 52,

So far nothing that provides anything of interest but i do feel we are close

I am however still concerned about the rotting to get the anagram to work it sort of feels wrong in some ways - not as clean as I had hoped. If it is correct it is truly an incredible moment of genius so good find that man (based on the hours ive played with this it wouldnt suprise me that something like this was staring me in the face all this time!)

But until the large lady sings I am happy to keep trying any new avenues of ideas Smile

PostPosted: Tue Jun 06, 2006 12:54 pm
 View user's profile Visit poster's website AIM Address Yahoo Messenger MSN Messenger
 Back to top 
themandotcom
Veteran


Joined: 28 Apr 2006
Posts: 136
Location: Syosset, New York, USA, Earth, Milky Way Galaxy, Universe

This may or may not help, but a quick anagram search revealed a word that seemed too good to be true.


DE SHUFFLE FOR TRIUMPH
Any help? I hope so!

PostPosted: Tue Jun 06, 2006 8:08 pm
 View user's profile AIM Address
 Back to top 
Monkeynavigated
Greenhorn

Joined: 05 Jun 2006
Posts: 3
Location: Santa Cruz, CA

I wrote a program to compute the distance between various options of cipher text, and a uniform distribution of letters. KL is Kullback-Leibler distance (or relative entropy). I then compared that to 10000000 (overkill, but hey it's a computer) random sequences of letters of the appropriate length. Given this output is correct, there is about a 7.7% chance that the even numbers are a random sequence of letters (as would be generated by solitaire for instance). This is unfortunately a bit too high to declare the even letters a statistical anomaly but it still lends some strength to the argument that the even numbers are what we should be focusing on.

My biggest issue with declaring the even numbers non-random is that it means that the solitaire cipher is not used to solve the puzzle. This makes the star on the joker either a red herring or it is used in some other way. As a big fan of Cryptonomicon I am still hoping that solitaire is part of this card.

I have been looking at ways of systematically unscrambling the disappearing text to get a meaningful message but so far have come up with nothing. If it is a sequence of in and out shuffles (or unshuffles) then it is quite complicated, requiring at least 6 shuffles (as best as I can tell).

I am going to change the program to measure the distance from the distribution of letters in the English language to see if the fact that the even letters appear to be very close to that distribution is a statistical anomaly or not. If the even letters (or some other subset of letters) can be shown to be non-random that has huge implications for finding the solution to this card, namely that solitaire isn't used.

Here is the output from my program for those who are interested (all KL, Delta and X^2 distances are distances from a uniform distribution):

54 Characters, 10000000 random distributions:

BMHFBXQWZLTPLHYTWLOYNYBOIUMXHUAXNHSAJFTMMOMBAPVWOMKPLL
KL distance: 0.368505
Delta distance: 0.159044
X^2 distance: 0.430463
Samples with higher KL: 771646
Samples with higher delta: 1662664
Samples with higher X^2: 1776443

WBCGILCYEFIHJFWEKYJTYGJIGFVRIGRGHQRXWUJASMSVAKGVXVYZLU
KL distance: 0.293102
Delta distance: 0.124832
X^2 distance: 0.344096
Samples with higher KL: 3196737
Samples with higher delta: 5782451
Samples with higher X^2: 4493550

Random Sequences:
KL mean: 0.264221 and KL stddev: 0.0701647
Delta mean: 0.131927 and Delta stddev: 0.0282511
X^2 mean: 0.342693 and X^2 stddev: 0.1015

108 Characters, 10000000 random distributions:

WBBMCHGFIBLXCQYWEZFLITHPJLFHWYETKWYLJOTYYNGYJBIOGIFUVMRXIHGURAGXHNQHRSXAWJUFJTAMSMMOSMVBAAKPGVVWXOVMYKZPLUL
KL distance: 0.114821
Delta distance: 0.0764411
X^2 distance: 0.151868
Samples with higher KL: 5549038
Samples with higher delta: 8776607
Samples with higher X^2: 8681199

Random Sequences:
KL mean: 0.122971 and KL stddev: 0.0354518
Delta mean: 0.107811 and Delta stddev: 0.0275172
X^2 mean: 0.216996 and X^2 stddev: 0.0601189

Press <enter> to continue . . .

Sorry my thoughts in this posts are kinda fractured…

PostPosted: Wed Jun 07, 2006 6:37 am
 View user's profile AIM Address
 Back to top 
cheesey
Boot

Joined: 23 Nov 2005
Posts: 24

just a detail that I hope will make a huge difference, and will be the whole basis of solving this card!

You have missed out an L at the end of the full WBBMC...

It should end YKZPL LUL

nice work tho!
_________________
Never faucet - just tap.

PostPosted: Wed Jun 07, 2006 7:00 am
 View user's profile
 Back to top 
Guin
Unfettered


Joined: 11 Jan 2006
Posts: 400
Location: Antartica

themandotcom wrote:
DE SHUFFLE FOR TRIUMPH


how did you get this?

PostPosted: Wed Jun 07, 2006 8:54 am
 View user's profile Visit poster's website AIM Address Yahoo Messenger MSN Messenger
 Back to top 
BBuck
Decorated

Joined: 13 Dec 2005
Posts: 184

Been thinking a lot about Kian's method, and (risking severe ridicule), I don't think that it is going the right way - well, not quite.

Like a couple of others who have posted, I am a little bit wary about the "-2" on one of the "U"'s and "G"s. This is fairly contrived.

However, I do think there's a good chance that anagramming the 20 letters is the way forward. This would tie in with the clue in the Sentinel and with the whispered message on the card. As I've posted before, I don't think the message solely relates to the heat-sensitive letters, as they could be discovered by accident.

Anagramming 20 letters is not easy, especially when we don't know what we're looking for. With a certain other card, there were some likely cribs that led to the answer.

One possibility (though I can't get anywhere with it yet) is that we should read the whispered message almost literally. "Entropy" = anagramming the 20 letters, to leave a message that in some way links to "cold". eg Fridge can be made from the 20, but not much else sensible.

Another is to look for instructions/description. The X might be a null, but MIX also comes out. So it might be something like:

MIXED UP THROUGH FFFLUR

Where the last six, in some order (120 possibilities? Or fewer because of the repetition) is the keyphrase.

I thought I had it when I came across

MIX UP THROUGH RED FLUFF

but REDFLUFF or FLUFFRED doesn't work as a key.

PostPosted: Wed Jun 07, 2006 2:49 pm
 View user's profile
 Back to top 
manleym
Decorated


Joined: 26 Dec 2005
Posts: 197
Location: Norwich UK

BBuck wrote:


I thought I had it when I came across

MIX UP THROUGH RED FLUFF

but REDFLUFF or FLUFFRED doesn't work as a key.


Or FLUFFED, Like what this card is doing to my/our head(s) at the moment Laughing
_________________
A Bolt here, a screw there, Ahh my Cube detector is nearly finished Mwah ha ha Twisted Evil Twisted Evil
The Most Beautiful Girl In The World
http://www.manleym.co.uk/shop


PostPosted: Wed Jun 07, 2006 2:57 pm
 View user's profile Visit poster's website Yahoo Messenger MSN Messenger
 Back to top 
Guin
Unfettered


Joined: 11 Jan 2006
Posts: 400
Location: Antartica

even though I am sceptical about the prime anagram I am trying something for completeness.

So far I have tried just about every conceivable method I can rationally think of using both standard and actual deck orders as well as keying the deck in a many and varied manner:

Shuffling the deck in sevens, using the word SHUFFLED 7 times as the key, solitairing the text 7 times using a as many possible ideas I can find / remeber, distributing the text in sevens and currently (and possibly my most insane idea!) every possible distribution by shuffeling EVENS (120 possibilities including duplicates) to see if thats the key - although I am certain it wont be - but I am too curious by nature not to try it and it was in my dreams - yep they are back this card has a lot to answer for Smile

My only other concern is that once I get into the routine of doing these mad things I will find an answer and not remmeber which process I had used lol

Well the quest continues
_________________
So long and thanks for all the fish! Trout

PostPosted: Wed Jun 07, 2006 3:25 pm
 View user's profile Visit poster's website AIM Address Yahoo Messenger MSN Messenger
 Back to top 
e_nygma
Decorated

Joined: 17 May 2006
Posts: 247
Location: Maryland, US

BBuck wrote:
Like a couple of others who have posted, I am a little bit wary about the "-2" on one of the "U"'s and "G"s. This is fairly contrived.


Generally speaking, I agree with you that the -2 anagramming of only a couple of letters feels somewhat contrived. However, if Kian used the X as a ROT value instead of just discarding the letter, he would get the -2 value he needed.

Just something I came across awhile ago. I did not mention it at first because I *was* afraid this was a rabbit hole and I didn't want to help justify something I didn't think would lead to the solution. Still, it's better than anything I have come up with so I'll just put the option out there and let you smarter-than-me people cogitate more on this.

PostPosted: Wed Jun 07, 2006 4:11 pm
 View user's profile
 Back to top 
Monkeynavigated
Greenhorn

Joined: 05 Jun 2006
Posts: 3
Location: Santa Cruz, CA

I finished a run of the program comparing the even numbered letters to the distribution of letters in the English alphabet. Using different measures of distance there is between a 3.5% and 5.5% chance that a random sequence is as close to the distribution of English letters as the even numbers letters are. This is compared to the fact that the full sequence of 108 letters is much farther away from the English distribution.

To summarize:
Chance the even numbered letters are random when compared to a uniform distribution is: ~7.71%
Chance the even numbered letters are random when compared to the distribution of letters in the English language ~5.48%

Chance the odd numbered letters are random when compared to a uniform distribution is: ~32.0%
Chance the odd numbered letters are random when compared to the distribution of letters in the English language ~33.0%

Chance all 108 letters are random when compared to a uniform distribution is: ~55.5%
Chance all 108 letters are random when compared to the distribution of letters in the English language ~80%

Although this is strong evidence that the even numbers letters are statistically significant it is in no way conclusive...

Chance here is a somewhat ambiguous term I realize, it basically represents how often a randomly generated sequence (using a uniform distribution) has features similar to different subsets of the cipher text. In this case the features I am using are the KL distances to different distributions.

PostPosted: Wed Jun 07, 2006 9:24 pm
 View user's profile AIM Address
 Back to top 
kian
Boot

Joined: 16 Feb 2006
Posts: 24

Encrypting SHUFFLED with the standard bridge order yields WEEDNKWJ, which has a beginning very similar to WBBMC... I wonder if the message might start with the word SHUFFLED and the correct deck order be a slight variation on the standard bridge order. I've tried swapping the positions of the four sevens, but only for bridge order.

Feel free to trout me on this but... With a known ciphertext and a guess at what might be the start of the message, we can work backwards to get the keystream and then try to figure out what deck order would generate that. Though it's difficult to get beyond the first handful of letters, at least by hand. Similarly, we can make a guess at the end of the message (maybe by a dictionary file) and work backwards to try to figure out a deck order that might work.

I've also been wondering about the apparent runs of letters in alphabetical (or reverse) order. There are sequences of HGF, IGH, RS, X__Y__Z, VWX___Y_Z... Is this a normal consequence of the solitaire cipher? Or coincidence? Or maybe was there an alphabet or two somehow shuffled in to mask the letter frequency (not sure about the lack of D's).

PostPosted: Wed Jun 07, 2006 11:37 pm
 View user's profile
 Back to top 
brokasaphasia
Boot

Joined: 31 May 2006
Posts: 26

e_nygma wrote:
if Kian used the X as a ROT value instead of just discarding the letter, he would get the -2 value he needed.

Can you point me to a reference to understand your thinking here... I have not found how to deduce a -2 shift from the letter "X" in my reading about ROT ciphers.

Monkynavigated wrote:
Chance the even numbered letters are random when compared to the distribution of letters in the English language ~5.48%

Is this the same sequence I am looking at with a Z? a Q? and 3 X's? in 54 characters? It seems counter-intuitive...

kian wrote:
WEEDNKWJ, which has a beginning very similar to WBBMC

With 54! permutations of decks there are whole swaths of ciphertext that are bound to be identical from totally different plaintext.

However, kian, I like this thinking and was just last night trying to put together an algorithm for working through deck permutations given a precise crib. As I mentioned several days ago, a British national cipher contest in 2004 had a Solitaire puzzle. The folks who solved the puzzle were able to make incredible headway based on their conviction of the start of the plaintext. (Of course, they were given a huge head start -- 13 cards I believe -- in the deck order.)

Is _anyone_ (besides me) trying to find a useful anagram from the 43 character whisper?

PostPosted: Thu Jun 08, 2006 2:08 am
 View user's profile
 Back to top 
Guin
Unfettered


Joined: 11 Jan 2006
Posts: 400
Location: Antartica

Just a point on the random distribution of even letters - in a solitaire you key the deck each time so

AAAAAAAAAA with no passkey will generate DWJXHYRFDG
AAAAAAAAAA with the passkey SHUFFLED will generate FVDAPQDHON

Unlike a substitution cipher you cant try to work out what letter = what and I think its the same for the distribution of the letters in a solitaire as you are always dependant on the top card of the deck each time when you key the deck - if that makes any sense

Having re-read a lot of the thread last night to find some further pointers 2 things about the Sentinel article that stand out:

Core and Reframe - they seem odd words to use. I can see how tey would be justifiable - get to the heart of the puzzle - rethink your methods - but these 2 words seem somewhat contrived - they fit but they seem important - perhaps its the semantics of it and im reading too much into it.
_________________
So long and thanks for all the fish! Trout

PostPosted: Thu Jun 08, 2006 4:39 am
 View user's profile Visit poster's website AIM Address Yahoo Messenger MSN Messenger
 Back to top 
FranG
Boot

Joined: 23 May 2006
Posts: 35

A fresh look

I agree about the Sentinel article. It sounds like it was written by someone who knows the answer and knows that we're on the wrong track (need a fresh pair of eyes). Being surprised that there hasn't been a breakthrough makes me think it isn't supposed to be this hard. And 'suddenly get to the core' seems to imply a clear flash of enlightenment rather than a laborious process like the trial and error I've been using.

'Reframe' and 'core' caught my attention, too. Although the article wasn't supposed to be a hint, it sounds like the choice of words might be significant. Reframe could refer to the 'framing' heat-sensitive letters, or to rearranging the letter groups, or an anagram. Kian's find could certainly fit in there, but I think it just opens another can of Djinn worms. Is it a key, a hint, a pointer to a deck order or what? It just opened up a whole new series of blind alleys for me.

Getting to the core might mean there are layers of encryption, or junk letters surrounding the message text. I wondered about starting with the 7th group, but that didn't work.

I just finished trying each letter group individually, with all the keys I could think of, looking for a likely first word. I tried them all, forwards and backwards, with the first 5 letters of the keystreams and then the second 5 and so on. I went through the 5th position (as if there were 20 characters of junk in front), and even tried the 7th (the fourth prime). I guess that means there's a second process to be performed, or that it's been shuffled on a letter basis rather than by groups. That's a horrible thought.

I'm beginning to wonder if there really is a message. Has anyone tried 'No' for the answer? It just asks whether we can decode the message. I guess that would make it a trick question and they said it wasn't one.

Tomorrow I'm going to start fresh and try to find a 'slightly different approach'. If y'all don't mind book-length posts, I may write out my observations.

It's nearly dawn. I wish somebody would solve this thing so I can get some rest.

PostPosted: Thu Jun 08, 2006 6:16 am
 View user's profile
 Back to top 
manleym
Decorated


Joined: 26 Dec 2005
Posts: 197
Location: Norwich UK

Re: A fresh look

FranG wrote:


I'm beginning to wonder if there really is a message. Has anyone tried 'No' for the answer? It just asks whether we can decode the message. I guess that would make it a trick question and they said it wasn't one.


It's nearly dawn. I wish somebody would solve this thing so I can get some rest.


'No' was one of my first naive guesses when I first got this card, As i said in a earlier post the answer which I am 99% certain of is not a one word answer as the solve page asks for 'what is the message'

I would say get some rest as attempting to solve a card once tired will make you over look a few things which could ultimately lead to an answer, I made that mistake with The Earth's Destiny Crying or Very sad
_________________
A Bolt here, a screw there, Ahh my Cube detector is nearly finished Mwah ha ha Twisted Evil Twisted Evil
The Most Beautiful Girl In The World
http://www.manleym.co.uk/shop


PostPosted: Thu Jun 08, 2006 6:27 am
 View user's profile Visit poster's website Yahoo Messenger MSN Messenger
 Back to top 
Display posts from previous:   Sort by:   
Page 18 of 59 [877 Posts]   Goto page: Previous 1, 2, 3, ..., 16, 17, 18, 19, 20, ..., 57, 58, 59  Next
View previous topicView next topic
 Forum index » Diversions » Perplex City Puzzle Cards » PXC: Silver Puzzle Cards
Jump to:  

You cannot post new topics in this forum
You cannot reply to topics in this forum
You cannot edit your posts in this forum
You cannot delete your posts in this forum
You cannot vote in polls in this forum
You cannot attach files in this forum
You can download files in this forum
You cannot post calendar events in this forum



Powered by phpBB © 2001, 2005 phpBB Group