Langer's Sudoku Assistant

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