My view controller content consists of 3 views. I use interface builder on Xcode4.
Something like that on portrait mode:

(source: gyazo.com)
I need to autoresize this content on orientation change to landscape: view 2 have constant width, 1 and 3 views must increase width for landscape mode to have close borders to view 2.
Is it possible to implement this behavior via interface builder autoresizing masks?