Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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

 

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