Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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

 

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