Langer's Sudoku Assistant

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