Actually quite often on long intercontinental hauls, the front section has usually 2 subsections - you can see it on the seating arrangements (something about b

Actually quite often on long intercontinental hauls, the front section has usually 2 subsections - you can see it on the seating arrangements (something about better bigger seats vs couch-style where you can properly lie horizontally) - at least those are differences as seen from peasant's perspective