Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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

 

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