Langer's Sudoku Assistant

Invalid Sudoku!

Row 7 is invalid. Column 2 is invalid. The bottom center 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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