Langer's Sudoku Assistant

Invalid Sudoku!

Row 7 is invalid. Column 6 is invalid. The bottom center 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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