Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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

 

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