Langer's Sudoku Assistant

Invalid Sudoku!

Row 4 is invalid. Go back and make a different choice.

 

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

 

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