Langer's Sudoku Assistant

Invalid Sudoku!

Row 5 is invalid. Column 2 is invalid. Go back and make a different choice.

 

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

 

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