Langer's Sudoku Assistant

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

 

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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