Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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

 

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