Tumblr Blogs PR5 and PR4

I usually hunt for high PR Tumblr blogs which have been deleted or suspended but this time these two blogs are giving me a tough time to register. it seem both Blogs are empty but still tumblr wont allow me to register them under my account. OK Guys I give up.. Lucky.. if any of you hop on them. I am sharing both blogs here.

visualoop.tumblr.com = PR5
caropinto.tumblr.com = PR4

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if someone of you get on them let us know how you did it.

i am also experiencing such difficulties.

Not all dead tumblrs are available for registrations.
For example people that got their blog banned, are not available for registration.
On the other hand, bloggers that have deleted their blogs, are available for registration immediately.

Cheers