Langer's Sudoku Assistant

4
5
6
8
3
9
2
1
7
1
7
8
6
2
4
3
9
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9
2
5
1
7
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8
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7
9
2
1
6
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4
3
       
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   8   
       
4      
   8   
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9
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1
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7
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4      
   8   
       
4      
   8   
9
2
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9
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1

 

Start Over

Take any Sudoku puzzle you are having trouble with -- or any one at all -- and enter the initial values. With each entry the proscribed options are eliminated for you

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