Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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

 

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