Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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

 

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