Langer's Sudoku Assistant

Invalid Sudoku!

Row 9 is invalid. Column 4 is invalid. The bottom left 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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