Langer's Sudoku Assistant

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