Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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

 

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