Langer's Sudoku Assistant

Invalid Sudoku!

Row 8 is invalid. Column 5 is invalid. The bottom center 3x3 Box is invalid. Go back and make a different choice.

 

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