C111123313121111121111331333133313331333133313331333131133132313112133311   >>    C11112331312111112111133133313331333133313331333133313113313231311213331   <<    C111123313121111121111331333133313331333133313331333131133132313112133313   >>      C111123313121111121111331333133313331333133313331333131133132313112133312   >>