Langer's Sudoku Assistant

Invalid Sudoku!

Row 9 is invalid. Column 8 is invalid. The middle right 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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