Langer's Sudoku Assistant

Invalid Sudoku!

Row 9 is invalid. Column 8 is invalid. The middle right 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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