Langer's Sudoku Assistant

Invalid Sudoku!

Row 9 is invalid. Column 6 is invalid. The bottom center 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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