Langer's Sudoku Assistant

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