Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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

 

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