Langer's Sudoku Assistant

Invalid Sudoku!

Row 8 is invalid. Column 2 is invalid. The bottom left 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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