Langer's Sudoku Assistant

Invalid Sudoku!

Row 5 is invalid. The middle center 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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