Langer's Sudoku Assistant

Invalid Sudoku!

Row 8 is invalid. Column 1 is invalid. The bottom left 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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