Langer's Sudoku Assistant

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

 

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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