Langer's Sudoku Assistant

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

 

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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