C3213322333133313113313221211113313331333133313121121123222113211231   >>    C321332233313331311331322121111331333133313331312112112322211321123   <<    C3213322333133313113313221211113313331333133313121121123222113211233   >>      C3213322333133313113313221211113313331333133313121121123222113211232   >>