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## CHAT LOG for Saturday, August 21, 2010

12:47 am
trueheart11

go
12:48 am
drwho

Difficulty score 49. No green.
12:51 am
eyeman

Got it. Done. No green, but lotsa reds.
1:21 am
trueheart11

done. no greens
1:43 am
Ed-was_here

Go
2:07 am
Ed-was_here

easy with greens
2:57 am
birdiepeikko

start...
3:02 am
Phil

start
3:14 am
Phil

pause
3:19 am
birdiepeikko

...
done
no greens
4:34 am
Phil

resume
4:39 am
Phil

going green
4:39 am
MrOoijer

done after a 2 hr pause to get food in the market
5:28 am
Phil

done with greens, nice hard one
5:43 am
angieplumptit

big g on harvard
6:29 am
tincup

done... bit more challenging today
6:29 am
Andy

ditto that
7:13 am
Fizzbut

go
7:30 am
Fizzbut

done ng
8:04 am
jackt

I did logically solve this using no greens (and no reds whatever those are). One way that may be easier than employing chain logic is using geometric patterns, at least for this particular puzzle. Spoiler alert! Don't read further unless you want a clue. Boxed numbers must occupy opposite corners of their box pattern, so the same numbers outside the box on common rows and columns can be logically eliminated. Only one number per box works. Two numbers in the same box pattern would mean there was more than one final solution which is impossible; however different box patterns and different numbers can share one side and not violate the two number rule. Also, a box pattern may have one side askew because that number is in confluence with another box pattern. 3 corners can align with another box pattern but only one number can make a perfect box if they overlay. GL.
8:30 am
ypsigirl

done. with greens. and 2 good guesses. yeah, pretty much what he said.
8:32 am
jackt

LOL. Need a more specific hint? Column B and D Rows 7 and 8 make a box pattern for a particular number. That same number can also only be in Column H Row 8 and 9. The box pattern eliminates Column H Row 8 and makes Column H Row 9 the only possible solution.
8:57 am
smooth_pappa

and it begins
9:07 am
smooth_pappa

done. Used greens when I got suck early on. But after getting a couple more added tha way, it wen't pretty easy
12:15 pm
Gretchen

Very easy with greens.
12:18 pm
Gretchen

Jackt - reds can be used when you want to indicate that a certain number can't be put in a certain square. I find them confusing, but some people find them helpful.
12:21 pm
sandbox74

commence
12:37 pm
sandbox74

terminate.. no greens
12:48 pm
Doll414

go
2:32 pm
helenkeller

go
5:10 pm
gman

when u say no greens, does that automatically mean no reds also????
5:51 pm
katmama

done, with greens - got totally stumped for a long while but finally pushed through it!
8:00 pm
Krys10

Catching up: completed June 2009
8:33 pm
UnikeTheHunter

I hate doing greens for a Hard, but I'm going green now.
8:43 pm
Prinise

Done, no greens. Didn't think I would finish but after lots of staring and a good guess, I completed.
9:17 pm
Phil

finally knocked off yesterdays expert with a few false starts on the guess front
9:27 pm
UnikeTheHunter

Did it. Needed greens. But no guess. Two triplets were hard to see. Even those didn't break it open.
11:38 pm
K M

finished ... fun
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