Langer's Sudoku Assistant

Invalid Sudoku!

Row 9 is invalid. Column 5 is invalid. The bottom center 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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