Langer's Sudoku Assistant

Invalid Sudoku!

Row 9 is invalid. Column 6 is invalid. The bottom center 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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