Langer's Sudoku Assistant

Invalid Sudoku!

Row 6 is invalid. Column 7 is invalid. The middle right 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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