Langer's Sudoku Assistant

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