Langer's Sudoku Assistant

Invalid Sudoku!

Row 6 is invalid. Column 8 is invalid. The middle right 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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