Langer's Sudoku Assistant

Invalid Sudoku!

Row 9 is invalid. Column 5 is invalid. The bottom center 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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