C111123313121111121111331333133313331333133313331122112323221311331   >>    C11112331312111112111133133313331333133313331333112211232322131133   <<    C111123313121111121111331333133313331333133313331122112323221311333   >>      C111123313121111121111331333133313331333133313331122112323221311332   >>