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