IIUC you have these options: * couchette (6 couchettes per cabin, less comfort) * 2nd class bed (3 beds per cabin) * 1st class bed (same as 2nd class, but 2

IIUC you have these options: * couchette (6 couchettes per cabin, less comfort) * 2nd class bed (3 beds per cabin) * 1st class bed (same as 2nd class, but 2 beds per cabin) * 1st class private bed (same as above, but without roommate)