Langer's Sudoku Assistant

Invalid Sudoku!

Row 8 is invalid. Column 2 is invalid. The bottom left 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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