C3213322333133313113313221211113313331333133313121121123311132233231311   >>    C321332233313331311331322121111331333133313331312112112331113223323131   <<    C3213322333133313113313221211113313331333133313121121123311132233231313   >>      C3213322333133313113313221211113313331333133313121121123311132233231312   >>