Langer's Sudoku Assistant

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