C111123313121111121111331333133313331333133313331333133313331311332231311   >>    C11112331312111112111133133313331333133313331333133313331333131133223131   <<    C111123313121111121111331333133313331333133313331333133313331311332231313   >>      C111123313121111121111331333133313331333133313331333133313331311332231312   >>