Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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

 

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