Langer's Sudoku Assistant

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