Langer's Sudoku Assistant

Invalid Sudoku!

Row 9 is invalid. Column 9 is invalid. The bottom right 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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