Langer's Sudoku Assistant

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