Complex sentence: Actually, the layout was that of two half-pages, each normaly consisting out of two strips of equal size, but size variations were possible and wide-shots taking up the whole half-page were not unheard of.
Split into simpler sentences: Actually, the layout was that of two half-pages. For the majority, each half-page would display two strips of equal size, but variations in strip height were possible and wide-shots taking up the whole half-page were not unheard of.