Langer's Sudoku Assistant

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

 

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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