Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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

 

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