PlaySudoku.us
Medium · Puzzle #875
6
1
8
4
5
9
6
1
5
7
2
6
8
9
6
5
6
7
4
1
7
6
1
2
8
4
9
4
3
7
5
6
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