Langer's Sudoku Assistant

Invalid Sudoku!

Row 8 is invalid. Column 9 is invalid. The bottom center 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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