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

 

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