Langer's Sudoku Assistant

Invalid Sudoku!

Row 9 is invalid. Column 9 is invalid. The middle right 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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