Langer's Sudoku Assistant

Invalid Sudoku!

Row 9 is invalid. Go back and make a different choice.

 

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

 

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