Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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

 

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