Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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

 

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