Langer's Sudoku Assistant

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