12:58 am
lawfully
I did solve yesterday's puzzle, and I was wondering why today's ranking didn't upgraded...
12:59 am
lawfully
(I think the same happended last Saturday, too)
3:33 pm
drwho
Difficulty score 24. Most advanced technique needed is region intersection analysis.
11:46 pm
MrNate
Sigh, I gave in and upgraded
11:47 pm
MrNate
Couldn't stand it anymore, after nearly 9 months