Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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

 

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