Langer's Sudoku Assistant

Invalid Sudoku!

Row 4 is invalid. Column 8 is invalid. The top right 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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