Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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

 

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