Langer's Sudoku Assistant

Invalid Sudoku!

Column 1 is invalid. The bottom left 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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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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