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.

 

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

 

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