XC XB IA
= 2 lower beds & 2 upper beds / = 2 lower beds & 2 upper beds & sofa / = 2 lower beds & sofa /
= connecting cabins / = 2 lower beds
XC XB IA
= 2 lower beds & 2 upper beds / = 2 lower beds & 2 upper beds & sofa / = 2 lower beds & sofa /
= connecting cabins / = 2 lower beds