Langer's Sudoku Assistant

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