Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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

 

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