Langer's Sudoku Assistant

Invalid Sudoku!

Row 7 is invalid. Column 8 is invalid. The top right 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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