Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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

 

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