Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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

 

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