Langer's Sudoku Assistant

Invalid Sudoku!

Row 5 is invalid. Column 9 is invalid. The top right 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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