Langer's Sudoku Assistant

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

 

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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