C3123121111331312121111331333133313331331121133133313331311233131133223311   >>    C312312111133131212111133133313331333133112113313331333131123313113322331   <<    C3123121111331312121111331333133313331331121133133313331311233131133223313   >>      C3123121111331312121111331333133313331331121133133313331311233131133223312   >>