Langer's Sudoku Assistant

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5
1
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9
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1      
       
7      
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1      
       
7      
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1      
       
7      
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1      
       
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1
2
9
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3
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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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