Langer's Sudoku Assistant

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