Langer's Sudoku Assistant

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

 

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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