Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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

 

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