Langer's Sudoku Assistant

Invalid Sudoku!

Row 6 is invalid. Column 9 is invalid. The top right 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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