Langer's Sudoku Assistant

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

 

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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