Langer's Sudoku Assistant

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