Langer's Sudoku Assistant

Invalid Sudoku!

Row 9 is invalid. Column 8 is invalid. The top right 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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