Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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

 

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