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.

 

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

 

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