Langer's Sudoku Assistant

Invalid Sudoku!

Row 9 is invalid. Column 9 is invalid. The bottom right 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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