C111123313121111121111331333133313331333133313331333131133132313331313331123311   >>    C11112331312111112111133133313331333133313331333133313113313231333131333112331   <<    C111123313121111121111331333133313331333133313331333131133132313331313331123313   >>      C111123313121111121111331333133313331333133313331333131133132313331313331123312   >>