PlaySudoku.us
Medium · Puzzle #316
8
9
6
3
2
2
1
8
4
9
6
8
2
1
6
1
8
4
7
5
2
2
8
7
6
4
9
6
5
3
1
4
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.
"Every master was once a disaster." — T. Harv Eker
"Every master was once a disaster." — T. Harv Eker