Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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

 

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