Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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

 

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