Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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

 

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