B D H J
= 1 lower double bed & 1 upper bunk / 
= 2 lower beds convertible into a double bed / 
= 2 lower beds convertible into a double bed & 1 upper bunk
B D H J
= 1 lower double bed & 1 upper bunk / = 2 lower beds convertible into a double bed / = 2 lower beds convertible into a double bed & 1 upper bunk