Langer's Sudoku Assistant

Invalid Sudoku!

Row 6 is invalid. Column 8 is invalid. The top right 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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