Langer's Sudoku Assistant

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

 

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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