12:57 am
K M
Very easy Hard ... almost clickish :
3:01 am
JudyHall
Gus, a UR is a Unique Rectangle. See https://www.sudokuwiki.org/Unique_Rectangles for information on how they can help you solve a puzzle
5:29 am
MrOoijer
nice hard with some remote pairs
6:22 am
Jerry
no tricks or guesses required
5:16 pm
Gus
Thank you JudyHall, I learned something new.
