Langer's Sudoku Assistant

Invalid Sudoku!

Row 9 is invalid. Column 9 is invalid. The middle right 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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