Langer's Sudoku Assistant

Invalid Sudoku!

Row 7 is invalid. Column 9 is invalid. The bottom right 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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