Langer's Sudoku Assistant

Invalid Sudoku!

Row 9 is invalid. Column 7 is invalid. The bottom right 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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