Langer's Sudoku Assistant

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