Langer's Sudoku Assistant

Invalid Sudoku!

Row 7 is invalid. Column 7 is invalid. The middle right 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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