Langer's Sudoku Assistant

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

 

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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