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Mikko
Level: Master Delver
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icon Card puzzle (0)  
Here's a little puzzle I created. It's pretty simple, so I'm sure it's been done before.

Arrange a normal deck of cards in a 4*13 rectangle so that:

-Each row contains all the cards of one suit.
-Each column contains four cards of different value.
-No two columns can contain pairs of cards with the same values. E.g. if there's a 2 and a K in the first column, then there can be no other column with both a 2 and a K.
08-20-2006 at 11:48 AM
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Maurog
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icon Re: Card puzzle (+2)  
Click here to view the secret text


____________________________
Slay the living! Raise the dead!
Paint the sky in crimson red!

[Last edited by Maurog at 08-20-2006 03:22 PM : Secret tags]
08-20-2006 at 02:35 PM
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Mikko
Level: Master Delver
Rank Points: 276
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icon Re: Card puzzle (0)  
That's correct, although you might want to put it in secret tags so as not to spoil things if anyone else wants to attempt the puzzle.

Interestingly, a similar approach works for 2*3, 3*7, 5*21 and 6*31, but not 7*43. This is rather frustrating, since the thing that got me started with all of this this was an attempt to solve the 7*43 problem.

[Last edited by Mikko at 08-20-2006 02:49 PM]
08-20-2006 at 02:44 PM
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