Langer's Sudoku Assistant

Invalid Sudoku!

Row 4 is invalid. Column 8 is invalid. The middle right 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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