Langer's Sudoku Assistant

Invalid Sudoku!

Row 7 is invalid. Column 8 is invalid. The bottom center 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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