Langer's Sudoku Assistant

Invalid Sudoku!

Column 8 is invalid. The middle right 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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