Langer's Sudoku Assistant

Invalid Sudoku!

Row 7 is invalid. Column 5 is invalid. The bottom center 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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