Langer's Sudoku Assistant

Invalid Sudoku!

Row 8 is invalid. Column 6 is invalid. The bottom center 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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