Langer's Sudoku Assistant

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