Langer's Sudoku Assistant

Invalid Sudoku!

Row 7 is invalid. Column 9 is invalid. The bottom right 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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