Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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

 

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