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Nachtrag 22. Januar 2013:
Juhuu - jetzt habe ich den richtigen Link gefunden! Es ist der "Robin Food" by Astrid Schramm.
These socks I'm using for bed or for the couch I found several years ago on a blog and today I refound the pattern on Ravelry for these "Robin Food" socks; designed by Astrid Schramm.