Langer's Sudoku Assistant

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