Langer's Sudoku Assistant

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