C3213322333133313113313221211113313331333133313121121123321223112111   >>    C321332233313331311331322121111331333133313331312112112332122311211   <<    C3213322333133313113313221211113313331333133313121121123321223112113   >>      C3213322333133313113313221211113313331333133313121121123321223112112   >>