Langer's Sudoku Assistant

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

 

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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