C3213322333133313113313221211113313331333133313121121123311132332331221   >>    C321332233313331311331322121111331333133313331312112112331113233233122   <<    C3213322333133313113313221211113313331333133313121121123311132332331223   >>      C3213322333133313113313221211113313331333133313121121123311132332331222   >>