Langer's Sudoku Assistant

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

 

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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