Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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

 

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