Langer's Sudoku Assistant

Invalid Sudoku!

Row 8 is invalid. Column 2 is invalid. The bottom left 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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