Langer's Sudoku Assistant

Invalid Sudoku!

Row 6 is invalid. Go back and make a different choice.

 

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

 

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