It;s this one, but it's been changed at some point which is why you couldn't find what you was actually looking for as that info is no longer there.
EDIT: The text of the old version can be seen here though O=I'm not sure thats a direct copy of the old article.
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Yep, in my link are the possible arrangements for Steam keys.
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I went through a pile of old pre-Steam physical games I had a while back and tried everything resembling a key I found. Most didn't work, but I was surprised by the stuff that did. They aren't common but 25 character keys can certainly be valid.
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Like the title says.
I'm not used to seeing 25 characters on a key...
Just want to make sure before I make a giveaway.
Thanks.
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