Armrests in PE on LHR 747

Hi,
I'm travelling with my wife in PE on a 747 from LHR and wondered if the armrests between the seats can be moved (ie like in Economy where you can raise the armrest and put it between the two seat backs).
Does anyone know?
Thanks.
I'm travelling with my wife in PE on a 747 from LHR and wondered if the armrests between the seats can be moved (ie like in Economy where you can raise the armrest and put it between the two seat backs).
Does anyone know?
Thanks.