Langer's Sudoku Assistant

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