C111123313121111121111331333133313331323232133313331333133313123232233331   >>    C11112331312111112111133133313331333132323213331333133313331312323223333   <<    C111123313121111121111331333133313331323232133313331333133313123232233333   >>      C111123313121111121111331333133313331323232133313331333133313123232233332   >>