Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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

 

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