Langer's Sudoku Assistant

Invalid Sudoku!

Row 9 is invalid. Column 5 is invalid. The bottom center 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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