Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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

 

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