Langer's Sudoku Assistant

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

 

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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