C321332233313331311331322121111331333133313331323113113123333232212121   >>    C32133223331333131133132212111133133313331333132311311312333323221212   <<    C321332233313331311331322121111331333133313331323113113123333232212123   >>      C321332233313331311331322121111331333133313331323113113123333232212122   >>