Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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

 

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