Langer's Sudoku Assistant

Invalid Sudoku!

Row 9 is invalid. Column 7 is invalid. The bottom right 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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