Langer's Sudoku Assistant

Invalid Sudoku!

Row 2 is invalid. Column 5 is invalid. The top center 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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