Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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

 

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