Langer's Sudoku Assistant

Invalid Sudoku!

Row 8 is invalid. Column 6 is invalid. The middle center 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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