Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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

 

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