Langer's Sudoku Assistant

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

 

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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