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 Forum index » Diversions » Perplex City Puzzle Cards » PXC: Silver Puzzle Cards
[LOCKED] [Puzzle] #243 Silver - Shuffled
Moderators: AnthraX101, bagsbee, BrianEnigma, cassandra, Giskard, lhall, Mikeyj, myf, poozle, RobMagus, xnbomb
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bertyb
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Joined: 28 Nov 2005
Posts: 128
Location: London

Can we all call you stacy?

Apart from that the only difference between the unkeyed deck mentioned on the soltaire website and the deck in question is a different starting order.

The only thing that worries me is it clearly states that there is a star on 1 joker which either means the company have changed its jokers, or the cards have been tampered with before being passed on.

I like the logic behind the 108 characters being the deck order - or even 2 deck orders for the 2 parts of disappearing text but I struggle to see how a message can be conveyed in 20 letters unless it is literally a name or something like:

Sente created the Djinn worm

BTW - I have tried that on the solve page and it doesnt work.
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PostPosted: Wed Mar 08, 2006 10:09 am
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GuyP
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So I swear that the last time I looked at this thread, everyone was pretty much resigned to waiting for all the "playing symbolled" PXC cards to be released, in the expectation that this would provide the deck order. So while I'm not sure WTF happened to this theory, it seemed like a perfectly reasonable assumption then, and I'm sticking to it now! Smile

PostPosted: Wed Mar 08, 2006 10:10 am
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bertyb
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Joined: 28 Nov 2005
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Location: London

Apart from the fact that every card is solvable on its own which has been mentioned before. Every card relies on no other card to solve it, which means that theory got thrown out.
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PostPosted: Wed Mar 08, 2006 10:13 am
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padge
Boot

Joined: 05 Jan 2006
Posts: 43

Dunno if this helps at all, but I've been playing with the 108 chars, reordering them (shuffling them) to see if I could come up with 54 unique pairs. I thought that the title 'SHUFFLED' may be a clue for us to shuffle the 108 chars to get the correct pattern.

I know it's not very well presented, dots = the pair above is unique, a number = the pair above occurrs that many times.

Code:

left to right
WBBMCHGFIBLXCQYWEZFLITHPJLFHWYETKWYLJOTYYNGYJBIOGIFUVMRXIHGURAGXHNQHRSXAWJUFJTAMSMMOSMVBAAKPGVVWXOVMYKZPLLUL
. . . . . . . . . . . . . . . . . . . . . . . . . . 2 . . . . . . . . . . . . . 2 . 2 . . . . . . 2 . . . .

left to middle and middle to end (like a ruffle shuffle)
WRBXBIMHCGHUGRFAIGBXLHXNCQQHYRWSEXZAFWLJIUTFHJPTJALMFSHMWMYOESTMKVWBYALAJKOPTGYVYVNWGXYOJVBMIYOKGZIPFLULVUML
. 2 . . . . . . . 2 . . . . . . . . . . . . . . . . . . . 2 . . . . . . . . . 2 2 . . 2 . . . . . . . . . .

middle outwards
MRVXUIFHIGGUORIABGJXYHGNNQYHYRTSOXJALWYJWUKFTJETYAWMHSFMLMJOPSHMTVIBLAFAZKEPWGYVQVCWXXLOBVIMFYGKHZCPMLBLBUWL
. . . . . . . . . . 2 . . 2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

ends in
WLBUBLMLCPHZGKFYIMBVLOXXCWQVYVWGEPZKFALAIBTVHMPSJOLMFMHSWMYAETTJKFWUYJLWJAOXTSYRYHNQGNYHJXBGIAORGUIGFHUIVXMR
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 . . 2 . . . . . . . . . .

middle to start, end to middle
MLVUULFLIPGZOKIYBMJVYOGXNWYVYVTGOPJKLAYAWBKVTMESYOWMHMFSLMJAPTHJTFIULJFWZAEXWSYRQHCQXNLHBXIGFAGRHUCGMHBIBXWR
. . . . . . . . . . 2 . . 2 2 . . . . . . . . . 2 . . . . . . . . . . . . . . . . . . . 2 . . . . . . . 2 .

backwards pairs
LULLPZKYMVOXWVVGPKAABVMSOMMSMATJFUJWAXSRHQNHXGARUGHIXRMVUFIGOIBJYGNYYTOJLYWKTEYWHFLJPHTILFZEWYQCXLBIFGHCMBBW
. . . . 2 . . . . . . 2 . 2 . . . . . . . . . . . . . 2 . . . . . . . . . . . . . . . . . . . . . . . . . .


So, none of the above 'shuffles' gives 54 unique pairs, but these 2
Code:

middle outwards
MRVXUIFHIGGUORIABGJXYHGNNQYHYRTSOXJALWYJWUKFTJETYAWMHSFMLMJOPSHMTVIBLAFAZKEPWGYVQVCWXXLOBVIMFYGKHZCPMLBLBUWL
. . . . . . . . . . 2 . . 2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

ends in
WLBUBLMLCPHZGKFYIMBVLOXXCWQVYVWGEPZKFALAIBTVHMPSJOLMFMHSWMYAETTJKFWUYJLWJAOXTSYRYHNQGNYHJXBGIAORGUIGFHUIVXMR
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 . . 2 . . . . . . . . . .


Have just 2 duplicates. Could these relate to the two jokers?

PostPosted: Wed Mar 08, 2006 10:32 am
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bertyb
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Joined: 28 Nov 2005
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Run them through the solitaire web page and see what happens.
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PostPosted: Wed Mar 08, 2006 10:40 am
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mr_rich
Kilroy

Joined: 08 Mar 2006
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Hi, this is my first post so I hope I don't get beaten with the trout too badly Smile

Given that some of the silvers have been suprisingly easy, are we over complicating this one. The thought that I had is the brand of cards could be the clue we are looking for? We now know they are motor brand 88. Could 88 of those letters be unimportant? This would leave us with 20 letters from the 108 and 20 letters that fade away.

PostPosted: Wed Mar 08, 2006 11:18 am
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bertyb
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Joined: 28 Nov 2005
Posts: 128
Location: London

Possible, but which 88 would you get rid of?

I think as you say with the other silvers once the answer has been discovered then it is easy to see the link and connections but all silvers are hard until the answer has been discovered.
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PostPosted: Wed Mar 08, 2006 11:21 am
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doomsdayred
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Joined: 02 Nov 2005
Posts: 107
Location: Nottingham, UK

I think the idea of removing 88 letters leaves us with too many options but i like the way you're thinking.

I'm going to try a full solitaire decipher tonight with the deck face up and face down and again with two decks. I'll give you my findings in the morning.
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PostPosted: Wed Mar 08, 2006 12:04 pm
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zaeil
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Joined: 31 Aug 2004
Posts: 233
Location: NC, US

bertyb wrote:
Can we all call you stacy?


Yeah, sure. I'm not particularly secretive about my real name, and it's way better than the unpronounceable gobbledygook I picked for my username!

bertyb wrote:
Apart from that the only difference between the unkeyed deck mentioned on the soltaire website and the deck in question is a different starting order.


That's the point. We need a place to start from, and every deck of cards is different. Schneier's unkeyed deck order gives us a standardized starting point, and I strongly feel that that is the direction the card is pointing us in with the entropy line.

bertyb wrote:
The only thing that worries me is it clearly states that there is a star on 1 joker which either means the company have changed its jokers, or the cards have been tampered with before being passed on.


Yeah, tampered with. As in, a marked joker.

Shuffled wrote:
When I returned home, I spread the cards out on my table and looked for any marks or signs, but they were all new and untouched, apart from one joker which had a star on it.


You must be reading this differently than I am. What I read here is that one joker is purposely marked, while the other cards were left alone. Purposeful differentiation of one joker clearly points to the Solitaire cipher. I'm reasonably certain that's all it means. I don't think the deck in the picture was used for any reason more specific than the fact that it was sealed and had a convenient white border to photoshop the message into. Smile (I'm starting to think that the graphic designer made a bad choice, though. Wink )
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PostPosted: Wed Mar 08, 2006 12:47 pm
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Guin
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Joined: 11 Jan 2006
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Location: Antartica

zaeil wrote:

Quote:
Start with an unkeyed deck: A-clubs to K-clubs, A-diamonds to K-diamonds, A-hearts to K-hearts, A-spades to K-spades, A joker, B joker. (You can think of this as 1 ... 52, A, B.)


The phrase Garnet was told is the clincher, I believe.

Quote:
If entropy wins...


...then the deck ISN'T shuffled. Very Happy An unshuffled deck is a low-entropy state, with the cards in order, and using an unshuffled, straight-out-of-the-box deck makes it much more likely that you'll get a winning hand.

Now, I'm also reasonably certain that there's a passphrase to get from unkeyed deck to starting point. There may not be, but I think we'd have hit on the decryption by now if that was the case.


I couldnt agree more I have been toying with this too Stacy

I usually key a deck this way as its the way I was origianally shown and read about. I have tried this to no avail. I have also tried numerous ways today based on the order of the cards in the new pack (which I received today) again to no avail.

I have come to the conclusion the 108 is to do with the keying of the deck and am assuming the 10 "hot" letters are the code/cipher or whatever its all semantics to me.
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PostPosted: Wed Mar 08, 2006 1:53 pm
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Magma
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Joined: 10 Jan 2006
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There are 54 pairs of letters and 54 cards in the deck. I agree it has to be more than a coincidence, but rather than try to extract "KC" and "9H" etc. out of it perhaps there is some way of generating 54 unique numbers from each pair?

It occurs to me that seeing as there are 26 letters in the alphabet, you can assign numerical values to the letters and add each pair to get a number between 2 and 52. That's almost enough of a range, though it does produce a lot of duplicated numbers doing that.

Given the amount of trouble encountered in "Ciphers of History" trying to make XY=600, perhaps something similar is needed here?

PostPosted: Wed Mar 08, 2006 2:29 pm
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doomsdayred
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Apologies in advance for the long post.

I've sat with the deck and followed the Solitaire cipher step for step, the following represents my results to date.

I named the 1st ten heat sensitive letters set "1" the last ten heat sensitive letters set "2" and the 1st ten letters after the heat sensitive letters set "3".

Keying the deck:

I hit a couple of initial problems.

#1 - When moving cards i was dealing and not cutting. A deal is when you remove a card from the deck and form a 2nd smaller deck placing the cards in reverse order. A cut forces you to count the cards in the deck keeping them in order and removing them as a whole.

#2 - Each card has a value from 1 through to 52. The value of each card is determined by the deck order. However, during the keying stage I couldn't decide whether to count the deck by face value (Ace = 1, King = 13 etc) or by cipher value (Ace of Spades = 13, Ace of Hearts = 26 etc)

After several restarts I managed to cut properly and went with the face value of the cards. The first 10 outputs were as follows:

Code:
Ace  (hearts)    26 = Z
Ace  (spades)    13 = M
Ace  (clubs)     39 = M
Ace  (hearts)    26 = Z
Jack (spades)    3  = C
Ace  (clubs)     39 = M
Ace  (diamonds)  52 = Z
Six  (diamonds)  47 = U
King (clubs)     27 = A
Jack (spades)    3  = C


These are different to the 1st 10 outputs suggested on http://www.schneier.com/solitaire.html because we are dealing with a different deck order.

Results for my 10 outputs are divided into the group sets mentioned earlier. The ppx card text will be referred to as "a" while the output text is referred to as "b".

Code:
Set "1" 
      E O D M F   X R U T H  (1st ten heat sensitive)
      Z M M Z C   M Z U A C

a+b = E B Q M I   K T P U K

a-b = E B Q M C   K R Z S E

b-a = U Y I M W   O H Z G U


Code:
Set "2" 
      F H U R G   I F U L P  (Last ten heat sensitive)
      Z M M Z C   M Z U A C

a+b = F U H R J   U F P M S

a-b = F U H R D   V F Z K M

b-a = T E R H V   D T Z O M


Code:
Set "3" 
      W B B M C   H G F I B  (1st ten after heat sensitive)
      Z M M Z C   M Z U A C

a+b = W O O M F   U G A J E

a-b = W O O M Z   U G J H Z

b-a = C K K M Z   E S O R A


As you can see set "3" is by far the most promising while set "1" looks least likely. Set "2" looks ok but if this method can't be used for the 1st batch of heat sensitive letters, I don't think it should be used for the final set.

Can anyone see any major errors or have any suggestions?
otherwise i'll continue to decipher the full 108 characters from set "3".
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PostPosted: Wed Mar 08, 2006 7:52 pm
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Guin
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Joined: 11 Jan 2006
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just to update and save anyone trying the same here are a few more methods I put into practice - again with no result Evil or Very Mad

Using the idea of shuffling the blocks / letters of the coded text I looked for significant patterns by:

using standard deck key (I am going to repeat with the actual deck order) I took each block and moved them one at a time so WBBMC moved to end of text reading ......LULWBBMC and repeated with each block until I was back to the start.

I took each letter individually and repeated the process

I took the whole text, including the "hot" letters and repeated leaving the block EODMFXRUTH at the start and FHURGIFULP at the end both with blocks of 5 and individually.

Evil or Very Mad Evil or Very Mad Evil or Very Mad Evil or Very Mad Evil or Very Mad Evil or Very Mad Evil or Very Mad Evil or Very Mad Evil or Very Mad

I know i will kick myself when we finally get this

EDIT

just to clarify I am now keying the deck according to the order it arrived in. This being:

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

This produces the key stream letters (I generated 150 as it was better than having not enough)

DLGSE QNBWS PSSCZ JLDPJ OMYIL FRSIX LSSMA LFWBH YXDFI XJDFE GTSWI XOVRS OZVBC QIAWA VQKOA DFPKA MHPWC FUWAF YGDFF QPICA YMZBI IFURC CJWKK MXYFC UBTDS ZMHMQ COSXU OHZOI VTJCK XAGZX

i am using http://cif.rochester.edu/~la002k/solitaire.htm#fields as I am being lazy.

still no luck though Evil or Very Mad Evil or Very Mad Evil or Very Mad
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PostPosted: Thu Mar 09, 2006 4:58 am
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anon
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Guin wrote:

i am using http://cif.rochester.edu/~la002k/solitaire.htm#fields as I am being lazy.


I'm sure most have noticed, but just in case... When using that site, be careful not to use spaces in your cipher text. I kept getting something different when compared to other programs and was sure one of them was crap until I finally read the "no spaces" bit.

PostPosted: Thu Mar 09, 2006 7:18 am
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locqust
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Joined: 14 Oct 2005
Posts: 545
Location: Gloucestershire UK

Ok something Im gonna try.

Im going to take the heat sensitive letters and treat them as a seperate code we can use to crack the other one. Those 20 letters when applied to the rest somewhere along the line will start to reveal the plaintext. (ie A+K = Q thinking) Personally I think the majority of the non-sensitive text is padding to throw off any decrypting attempts, so as the program or manual decode goes through the process its always a few letters off and giving back gibberish.

That probably didnt make sense Smile but hey ho gotta try somat.

I could always microwave it..... Twisted Evil
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PostPosted: Thu Mar 09, 2006 7:32 am
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