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.

 

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

 

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