????1??????1??1??????
????1??????1??1??????????2?é??31?ˉ????
???????? è?o??ˉèo??¤??|? ?è????ˉ?￥??￥?¤????????¤§???é????￥è§|è??????????§?????????????????ˉ??￥???é???????????èˉè¨???????è??????????????????¤???????é???ˉ1??????????????°é?????è?|?????§?????￥?????ˉ?°????????¤§?????′??????????1??????1??1????????????????ˉ1?¤§??????????????????
??????????1??????1??1?????? ?ˉ?1
????????????????1?????1′????￡??ˉè?2è?·?oo???? ???¨????¤????????????¨? ??????3? ???????? ?????|?? ?????￠¨? ????è?1???? ?a?|a?|
????????￥?¤????? ???¨é????o?????????????????è·ˉ???????§ˉé?aè????????????°??23?μ????????°??23é???????°??￠??￠???è?????????°?è????￠??o?¤′???è????￥è?±?????????
???????¤??¤????? ???¨é?????è?±è?±è??è?????è?·è?±?????????è?????é??è????±??±?????????????¤aé?3????????¨????????é?3?????§?°?????????????
???????§??¤?????????????é??é?????è?????????????a??a?????????è?′è????￠??￠??°??????è?????è?1???? ????é??????o￠??¤??¤???è?1???????????a??a?°??o￠??ˉ???????￠¨? ????é?????é????????????¤§é??￠¨?????￡? ??????????????o??o?????o￠??￡????§??¤???ˉ??a??°???????￡è?????
??????????¤????é?aè?±????¤?è??é??????￠?è?±è???±????è?a?·±???è?±??￡????°???????????????????é?a????????????? ?é?a?oo????????????é?a???????????ˉ??é?1??????
???????? èˉ′??????????1???????????????????
??????????1??????1??1?????? ?ˉ?2
??????èˉ′èμ·????1?????????ˉ??????è?¤??o???????????????¤??1???o?1???ˉ?????ˉ?1???????é?￡??ˉ??a??o?°???°é2??????ˉè?2?§?????????é?1????¤§è?±?????
??????????¤????è??é???????ˉè?2???????§???????èμ°??°???é?¨??￡???é|?????? ??￥???????????ˉ????o§????±±???èμ°è?????????????°??3???é???????????????3??°′?μ???o???????°??????????? ·????2?????°?è·ˉèμ°è????????è·ˉ??¤è?1???????§????? ·???? ??????°???è??é??????°?è?±????°?è??????°?è??????¤§??°????????±é??é????o??￥???è?±????o???????????????????????o￠?????????????2???????é??????????????é?a???è?±é??è????|????????3???????′??′?????¤aé?3??§?°?????¤§??°???è??????1????????ˉ??ˉ?????????????
??????????¤????????é??????????ˉè?2?§???????è??é???????é?1???
???????2?????°?è·ˉ??§??èμ°??????è????ˉ????? ??????è§??????a?¤§?????o????????a????33?± ????????oé????￠è??????ˉ???????è????????????????????????oo????????a???é?￠?o￠??????????33?± ?ˉ??????o??′???????????′??é?1????33?± ?o?é?¨é?o???è??è?2é??èμ?????????????????°′??????????μ·???? ·è??????¤§?oo?°?????????è·3??￥?33?± ????±??¤o??????è?a???é??è???????ˉ???è???1??????ˉ??ˉ?¤??1??????¨??????
???????????±??????????1??????′??±è????ˉè?2?§????????¤§è?±?????
??????????1??????1??1?????? ?ˉ?3
????????????????1???¨?23??????????2????????????a?°??1??????????è???????????????o????é?￡? ·????????????é?￡é???1????è?·?oo?????ˉè?2???
????????￥?¤????????1???°?¤???ˉ??????????′?????o￠????????ˉè?2????? ??§???? ????????·2??????é?2??o????o?é??è?2????????2??2???é1?è?±??￡?o￠?§1?′?????a????¤?é?￠???é????￠?????????????????¨é?3????????§è????????????1?????°??oa????????′?? ?????????????3￠è?????????3?????????????é??è?2??????????????￥?¤????????1???
??????′?? ?????o?????????
???????¤??¤????????1?????????¨???è??è????????é??è????????????????￥??¨? ????é??é?￡????¤???????è??è????¨è?????é?????????????é?¨????????aè?·è?±?± ??????????°??????′??????????????a???????????????è?·è?±???
???????§??¤?????1??????°é??é???????°?¤???ˉé???o￠??????????????è?±è?±????￡?è?±????ˉ?????￡?è?±?????a??aé?2??o????????????è?????????¤§?oo???é???????????é???????????é￥??????????§??§??1???????????°??ˉ???è·?????????????
??????????¤????????1??ˉ?èμ·???????￡è??????????′?? ????????????é?a???é?a?????3?μ????? ·???é￡?è???????￥????????????é?a???????????????±?é?????????ˉ±???????????¨?￡?????????°?¤?é??è|???????????±?é?a???è????????????°??????′?????¨é?a??°é??? ?é?a?oo??????é?a???????°????????o????é?a?¤????????????|??￥???????1????
??????????1????????1′????￡?????????????????1??1?????????????1?è??????2?????¤??1??????????é￡???ˉ????????ˉ?????¨??????é???????????????1??????ˉè?2?°?è????ˉ???????????????
??????????1??????1??1?????? ?ˉ?4
??????????1??????1è?2??ˉ????1?????????????èˉ′??°????o???????è???oo??3??°??¨è????·???????o???¤é????èˉ′??°è???·???????è???oo??3??°??????è?????èˉ′??°?o??????????è???oo??3??°è????￥?±3?o????é?￡?|????èˉ′??°é???o????????????·??????????????ˉé???o????é????§???
???????????o?￡??????é???o??|1??????????????è????????é????ˉè°???ˉ???è???????°????oμ?????????è???1??¤?????ˉ1???é???????3é???????′??μ??μ?????????
?????????é????ˉé???o???°é?????? ??????????èˉ′èμ·?????ˉ???è???oo??????????°o???é???o???°é?????è?????é??é????ˉ??¨è???21???é???o????è?￡?¤????è?±?¤??????o?????¨???èμ·???è?2é|???3??±??¨????ˉ????é???????ˉ?????￥?????????????¤§???é??????????￥?????¨?·???????ˉ??ˉ??????è??????¤???￠???è???????????è???1???????é????????èˉ??¤§????????a?§??ˉ??????????é???????1?????¤??aè???°±??ˉ????ˉ?è?????é?è? ?????o????????ˉ?????é???￥?????? ??????è§?é??é?￠????21?????§?????§????????????????????ˉ???è?￡??′???é???o??oo???? ·????????????è???????????è???????′é??è|?????????a??ˉè?????????????????????ˉ??|????????ˉ?è???????????????????°??
??2????é??é?????a??????????????a???°±??ˉ??￥?????°?￠?é????????è???°±??ˉé???o??oo???????3??????????é??é???????ˉè?????è??high???????????°è???????????°±?????3?|???o?????¨???é???????????é???o??oo?¤§??????è??????¤§??￡???é??????￡?????°???é??é???oo?????????è????§?????￠??±??￠??¨?????§??????
