C3213322333133313113313221211113313331333133313121121123321231131221   >>    C321332233313331311331322121111331333133313331312112112332123113122   <<    C3213322333133313113313221211113313331333133313121121123321231131223   >>      C3213322333133313113313221211113313331333133313121121123321231131222   >>