Langer's Sudoku Assistant

Invalid Sudoku!

Row 7 is invalid. Column 8 is invalid. The middle right 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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