Langer's Sudoku Assistant

Invalid Sudoku!

Row 8 is invalid. Go back and make a different choice.

 

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

 

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