Langer's Sudoku Assistant

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

 

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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