C321332233313331311331322121111331333133313112123231213113312121   >>    C32133223331333131133132212111133133313331311212323121311331212   <<    C321332233313331311331322121111331333133313112123231213113312123   >>      C321332233313331311331322121111331333133313112123231213113312122   >>