Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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

 

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