Langer's Sudoku Assistant

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

 

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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