C111123313121111121111331333133313331333131233133313232313332233133321121   >>    C11112331312111112111133133313331333133313123313331323231333223313332112   <<    C111123313121111121111331333133313331333131233133313232313332233133321123   >>      C111123313121111121111331333133313331333131233133313232313332233133321122   >>