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## CHAT LOG for Thursday, July 23, 2015

12:15 am
JeffysMom

Done. 1 guess.
12:23 am
WHB

Done, one lucky guess.
12:29 am
UnikeTheHunter

Well, I finally gave up and guessed on yesterday's Expert. One lucky guess.
3:50 am
MrOoijer

simple ng/ng end game
5:43 am
tincup

done
5:53 am
franebrown

No problem with today's expert but have yet to do yesterday's!!!!!!!!!
6:16 am
kaosangel

Morning. go.
6:33 am
kaosangel

Done. NG. EZPZ.
7:51 am
norinva

Easy even for me, with one guess.
12:04 pm
ypsigirl

done
12:27 pm
UnikeTheHunter

Did it, no green, no guess. I'll give out a hint later in the day. Other than that trick, it was real easy.
5:11 pm
Prinise

Done
6:14 pm
helenkeller

go
6:20 pm
helenkeller

done
6:21 pm
helenkeller

wow - feeling like a genius! :)
7:08 pm
franebrown

finally finished yesterday's.............
9:12 pm
UnikeTheHunter

Okay. Ready for a hint? Don't read this if you're still trying to do it on your own. This trick was new to me, but it could be general purpose. So I'll give it a name. It's possibly some kind of X-Wing, XY-Wing or XYZ-Wing. But I'll understand it better if I call it a 2 x 3 block pincer. It's different from other block pincers I have seen because it's a double block pincer -- it blocks two numbers. One large pair AB, AB ("large" meaning the two cells are in separate blocks) intersects a large threesome, ABC, AB, ABC. Therefore a tip of the threesome is somewhat linked to the far tip of the pair. If that tip is either A or B, then so is the far tip of the pair. And between the two of them, they act like a pincer, coming together from two sides to block all either A's and B's in a third block. Therefore that tip of the threesome cannot be A or B. It needs to be C.
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