Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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

 

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