Langer's Sudoku Assistant

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