C3213322333133313113313221211113313331333133313112212132333312121   >>    C321332233313331311331322121111331333133313331311221213233331212   <<    C3213322333133313113313221211113313331333133313112212132333312123   >>      C3213322333133313113313221211113313331333133313112212132333312122   >>