Langer's Sudoku Assistant

Invalid Sudoku!

Row 7 is invalid. Column 9 is invalid. The top right 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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