Langer's Sudoku Assistant

Invalid Sudoku!

Row 8 is invalid. The bottom center 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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