Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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

 

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