Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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

 

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