C111123313121111121111331333133313331333131221111331333131133133313221121231   >>    C11112331312111112111133133313331333133313122111133133313113313331322112123   <<    C111123313121111121111331333133313331333131221111331333131133133313221121233   >>      C111123313121111121111331333133313331333131221111331333131133133313221121232   >>