Langer's Sudoku Assistant

Invalid Sudoku!

Row 6 is invalid. Column 6 is invalid. The middle center 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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