Langer's Sudoku Assistant

Invalid Sudoku!

Row 7 is invalid. Column 3 is invalid. The bottom center 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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