Langer's Sudoku Assistant

Invalid Sudoku!

Row 8 is invalid. Column 9 is invalid. The top right 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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