Langer's Sudoku Assistant

Invalid Sudoku!

Row 9 is invalid. Column 8 is invalid. The bottom right 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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