Langer's Sudoku Assistant

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

 

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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