??o?°??????????é?′?????o???
é??é????????????oo?1?é?????è§??o?é?????????3????????£°é?3?o???????
???????????-?o???3???é?????
??????????1?é???ˉ?è§???°?o?????§?????ˉ1??2???
è???????°???????????£???é?μé?????????????¥???è???¤???·è????ˉ?2?éa???????
??¥???????°±???è§?????¤§??¥?§|è°¨è¨?é??è¨?????????¢?¤???·é?????5
????o???????????????¨?o????é?·??¥?2???????é????????????o???¢??¢?μ???°???????????????????????????èμ·èo?????ˉ1???????|?èˉ′???a??????????§é???°??????????a?|a?|??????????±??o????a??
èˉ′?????????è??èo????????????????èμ°??????
??????è??è???2???¥????????a??¨????°±???è§????????????¥?§|??????èˉ′???a???¤§??¥???????1????a?|a?|?????¥é???¥1è??????????¨è??????1?è?±??????a??
?§|???????°?è·?????′§é???????????è???-¥??¥?????¥??????
?°?????????′????????°è?2?¤§è?£????¥?è?2???é????°è·?????o???¤?oo????-¥??????
???é£???°?o??°?????????′???èo??????????????????¨???é???£??????????é?¨??????????o??????a????????·è??????????????????°???????
é2??o¢???è????2?°?????????????è????????é???o¢???
??°??o??a????????μ??a???é?£?????°??·?????′?o????
?¤§??¥?????¥è??????°?????????′?????°è??????1?é?????é?′??a?¤§?o??????????
?¤§??¥?????????è·ˉ??°??¥??°?o??¤?é?¢?¤§??????