Langer's Sudoku Assistant

Invalid Sudoku!

Row 1 is invalid. Column 8 is invalid. The top right 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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