Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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

 

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