Langer's Sudoku Assistant

Invalid Sudoku!

Row 5 is invalid. Column 4 is invalid. The middle center 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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