C111123313121111121111331333133313331323231333133313113313232321312231   >>    C11112331312111112111133133313331333132323133313331311331323232131223   <<    C111123313121111121111331333133313331323231333133313113313232321312233   >>      C111123313121111121111331333133313331323231333133313113313232321312232   >>