Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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

 

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