Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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

 

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