Langer's Sudoku Assistant

Invalid Sudoku!

Row 8 is invalid. Column 8 is invalid. The bottom right 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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