C3213322333133313113313221211113313331333131231322333223133221231   >>    C321332233313331311331322121111331333133313123132233322313322123   <<    C3213322333133313113313221211113313331333131231322333223133221233   >>      C3213322333133313113313221211113313331333131231322333223133221232   >>