Langer's Sudoku Assistant

Invalid Sudoku!

Row 7 is invalid. Column 8 is invalid. Go back and make a different choice.

 

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

 

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