Langer's Sudoku Assistant

Invalid Sudoku!

Row 7 is invalid. The bottom center 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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