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.

 

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

 

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