Langer's Sudoku Assistant

Invalid Sudoku!

Row 3 is invalid. The top left 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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