Well, Obito willed his way through it in just a few seconds, so yeah, as hard as it is, it is indeed possible. And Sakura's weird inner alter ego personality thing managed it, good for her/it/that/them.schizophrenia, it soloed a mind Jutsu that shouldn't have been countered.
Sakura would look lovely in a padded room btw!
Agreed with the padded room thing though.