C111123313121111121111331333133313331323131333131133133313331333132233313123231   >>    C11112331312111112111133133313331333132313133313113313331333133313223331312323   <<    C111123313121111121111331333133313331323131333131133133313331333132233313123233   >>      C111123313121111121111331333133313331323131333131133133313331333132233313123232   >>