Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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

 

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