Langer's Sudoku Assistant

Invalid Sudoku!

Row 5 is invalid. Column 8 is invalid. Go back and make a different choice.

 

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

 

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