C3213322333133313113313221211113313331333133313121121123321311222111   >>    C321332233313331311331322121111331333133313331312112112332131122211   <<    C3213322333133313113313221211113313331333133313121121123321311222113   >>      C3213322333133313113313221211113313331333133313121121123321311222112   >>