C111123313121111121111331333133313331333131233133313121111121111331323221311331   >>    C11112331312111112111133133313331333133313123313331312111112111133132322131133   <<    C111123313121111121111331333133313331333131233133313121111121111331323221311333   >>      C111123313121111121111331333133313331333131233133313121111121111331323221311332   >>