Langer's Sudoku Assistant

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

 

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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