Langer's Sudoku Assistant

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

 

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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