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.

 

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

 

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