Langer's Sudoku Assistant

Invalid Sudoku!

Row 5 is invalid. Column 4 is invalid. The middle center 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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