Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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

 

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