C111123313121111121111331333133313331333133313331333131133132333131211   >>    C11112331312111112111133133313331333133313331333133313113313233313121   <<    C111123313121111121111331333133313331333133313331333131133132333131213   >>      C111123313121111121111331333133313331333133313331333131133132333131212   >>