Langer's Sudoku Assistant

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

 

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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