Langer's Sudoku Assistant

Invalid Sudoku!

Row 7 is invalid. Column 7 is invalid. The middle right 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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