Langer's Sudoku Assistant

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