Langer's Sudoku Assistant

Invalid Sudoku!

Row 7 is invalid. Column 3 is invalid. The bottom left 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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