Langer's Sudoku Assistant

Invalid Sudoku!

Row 9 is invalid. Column 7 is invalid. The bottom right 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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