Langer's Sudoku Assistant

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