Langer's Sudoku Assistant

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

 

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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