Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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

 

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