fflo: (Default)
fflo ([personal profile] fflo) wrote2015-04-07 11:01 am
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There are 17 wallpaper groups.

17.

I believe I have found my favorite-ever Wikipedia page.
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[identity profile] browngirl.livejournal.com 2015-04-07 04:38 pm (UTC)(link)
There is something glorious about this kind of fact.

[identity profile] peteralway.livejournal.com 2015-04-07 08:01 pm (UTC)(link)
That *darned* mathematics!
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