Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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

 

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