Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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

 

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