Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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

 

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