Langer's Sudoku Assistant

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

 

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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