Unsolvable

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Unsolvable

Postby martix » Sun Aug 13, 2006 10:51 pm

So here is one sudoku I found in some sheet of paper from a puzzle magazine just lying peacefully on my desk.
Click
Well, it um... kinda proved unsolvable.
Then I ran it on the solver above and :shock: :shock: This has been able to solve every single puzzle I put into it so far(even the unsolvables from sudoku.org) and this it couldn't solve! And then it counted !94! diffrent solutions. I'm kinda shocked.

P.S. I double/tripple checked if all the numbers are in the right place(and they are) and now tell me how to solve it without guessing(cuz I find that impossible at the moment).
martix
 
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Joined: 13 August 2006

re: more than one answer

Postby Pat » Mon Aug 14, 2006 7:14 am

martix wrote:So here is one sudoku I found in some sheet of paper from a puzzle magazine just lying peacefully on my desk.

003050802000203000520109307051000620300020009042000730000502006005708200200010500

Well, it um... kinda proved unsolvable.
Then I ran it on the solver above and :shock: :shock: This has been able to solve every single puzzle I put into it so far(even the unsolvables from sudoku.org) and this it couldn't solve! And then it counted !94! diffrent solutions. I'm kinda shocked.

P.S. I double/tripple checked if all the numbers are in the right place(and they are) and now tell me how to solve it without guessing(cuz I find that impossible at the moment).


hi martix,

the puzzle which you posted -
Code: Select all
+---+---+---+
|..3|.5.|8.2|
|...|2.3|...|
|52.|1.9|3.7|
+---+---+---+
|.51|...|62.|
|3..|.2.|..9|
|.42|...|73.|
+---+---+---+
|...|5.2|..6|
|..5|7.8|2..|
|2..|.1.|5..|
+---+---+---+

- does indeed have more than one answer,
therefore it cannot be solved.

the magazine could have an error.
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Pat
 
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When in doubt, use my solver

Postby Jon » Fri Sep 01, 2006 2:53 am

That is right, my solver also reports that more than one solution exist for that sudoku. You can use my online solver whenever you want. You'll need the Java plugin installed in your browser. It is free and also very fast. Enjoy: Jon's Sudoku Solver!:D:D:D
Jon
 
Posts: 6
Joined: 22 August 2006


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