Langer's Sudoku Assistant

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