PlaySudoku.us
Medium · Puzzle #200
7
8
3
9
5
7
6
8
1
5
4
7
3
1
2
2
4
1
7
9
4
9
8
6
1
5
6
8
8
3
7
2
4
1
5
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.
"Every master was once a disaster." — T. Harv Eker
"Every master was once a disaster." — T. Harv Eker