Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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

 

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