C111123313121111121111331333133313331333131233133313331312132323213221   >>    C11112331312111112111133133313331333133313123313331333131213232321322   <<    C111123313121111121111331333133313331333131233133313331312132323213223   >>      C111123313121111121111331333133313331333131233133313331312132323213222   >>