Langer's Sudoku Assistant

Invalid Sudoku!

Row 5 is invalid. Column 9 is invalid. The middle right 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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