Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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

 

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