Langer's Sudoku Assistant

Invalid Sudoku!

Row 6 is invalid. Column 4 is invalid. The top center 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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