Langer's Sudoku Assistant

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

 

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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