Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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

 

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