Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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

 

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