Langer's Sudoku Assistant

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

 

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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