Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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

 

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