Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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

 

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