Langer's Sudoku Assistant

Invalid Sudoku!

Row 5 is invalid. Column 8 is invalid. The top right 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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