Langer's Sudoku Assistant

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