Langer's Sudoku Assistant

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