Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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

 

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