PlaySudoku.us
Hard · Puzzle #711
8
6
3
3
7
8
9
4
4
8
7
8
6
5
9
7
5
1
3
5
7
6
3
1
3
2
8
The 'Skyscraper' technique links two X-Wing candidates via a shared column — advanced but powerful on expert grids.
The 'Skyscraper' technique links two X-Wing candidates via a shared column — advanced but powerful on expert grids.
"However difficult life may seem, there is always something you can do and succeed at." — Stephen Hawking
"However difficult life may seem, there is always something you can do and succeed at." — Stephen Hawking