Langer's Sudoku Assistant

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