Langer's Sudoku Assistant

Invalid Sudoku!

Row 5 is invalid. Column 9 is invalid. The middle right 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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