Obviously, this can't be a multiple of three: the strange strange bedfellows.
Sleeping in the same bed and having different dreams-dreaming strange strange bedfellows.
Spelling: tong Chuang y mèng
Explanation: Metaphor means doing the same thing with different plans in mind.
Synonyms: intrigue, centrifugal separation from morality, separation of appearance and spirit.
Antonym: one heart and one mind, congenial, soul mate.