Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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

 

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