Langer's Sudoku Assistant

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

 

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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