Langer's Sudoku Assistant

Invalid Sudoku!

Row 2 is invalid. Column 6 is invalid. The middle center 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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