Langer's Sudoku Assistant

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

 

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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