C3213322333133313113313221211113313331333133313121121123332211211313121   >>    C321332233313331311331322121111331333133313331312112112333221121131312   <<    C3213322333133313113313221211113313331333133313121121123332211211313123   >>      C3213322333133313113313221211113313331333133313121121123332211211313122   >>