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.

 

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

 

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