Discussion on question by Majestio: Нетривиальная сортировка

Imported from a comment discussion on http://ru.stackoverflow.com/questions/609704/%d0%9d%d0%b5%d1%82%d1%80%d0%b8%d0%b2%d0%b8%d0%b0%d0%bb%d1%8c%d0%bd%d0%b0%d1%8f-%d1%81%d0%be%d1%80%d1%82%d0%b8%d1%80%d0%be%d0%b2%d0%ba%d0%b0