Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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

 

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