Langer's Sudoku Assistant

Invalid Sudoku!

Row 5 is invalid. Column 8 is invalid. The middle right 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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