??????????èˉ′??????????????°??¨??1????????????????ˉ1????????ˉé????????????????????????????ˉ?￥??oo??????
??????????????????￥é?????????????ˉ?ˉ1???????????ˉ?????????è?3?????3?????????
?????????????è§????????????ˉè????a?oo??¨èo?é????ˉ?????1??????
è????μ??o????????ˉ????o????????????????
????¤?????????1?1???ˉ?¤§????°???????
????°????????-????è?¨????????o??????
?ˉ??|???????????￥?è·ˉ?·±??????è|?????????????
????ˉ??|????è?a??¤????·±???????????????????￥?è·ˉ????oo??????
è???????aè?¨??????é????o????·±??????
???è??????????a????????????
a?|a?|
è¤?è??èˉ′??°?????°???è·?????ˉ?èˉ′?????¨??????????¤?????°±???????????¨???
?????a?????￥??o?¤a????????????????o?èˉ￥????????????
?2???3??°???è¤?è??????￥1???????¤????????¤§??????é|¨???
è¤?è????|?????aé￠???????èˉ?é?￡?¤????é?o??????????o????é???o????è??é?o???????o??????°?????????????±???o??ˉ??????
??′??a?oo????????????????????????
a??è¤?è??a?|a?|a??
?????a???é????￥???è???2???·??′????o|?????????èˉ????????????????????o??′§??????
è¤?è???¤§???è?a?????°?????¨?￥1è?°é?′????????ˉ??±????￥1???????????ˉ??¤????￥1???a???????????????1?é??è|??????1?????????a??
?????a???a???2???????a??
è¤?è??????¤′é?????a??é???????￠???a??
?????a??????????ˉ1???è¤?è?????????-????è??????o￠???a??é???????￠???a??
èˉ′???????????aé?????????????????????¤????
???????-1?¤?????¤?????ooè§????????????????è?￡???a??è¤??????????è¤??¤a?¤a??????????￥????a??