??????1t￡???i?aμàê??i?°?i?￡??1

??????i?x??μ?2??§?μ????￡????á????u??￡?i?è????td?^3ˉ??2??§?′ár?￡??????μ?2?ê?i?°?￡?à?x?di?°?i?￡??1

???????viê￡???i?x2???èá??é??￡?td?^??è￥?|??á?1??a￡??t?tμ????éx2??àμ?′á????￡

?????????iê??′?μ???????￡?éi2??e??￡??1i?x?e??ui}ên?|??á?1??a±è??á???￡??s?°?§á???uui}ên￡???????iê???d￡???xá|μ??rá?￡?uuu?￡?￡i???2?ê???????°l?_?^?x???μ?°?￡??1

????á?1??a????i?x′·??ê?~￡?d??edd?2??i￡?μ?ê??èè??|·??fê???d￡??xá|??￡?aê?uqè?°??i?x?3á?1à??êp2?iê§??á?￡???μ??i??d?xμèi?xà^à?f?￡

??????à?￡??′?i??2?ê?i?dn?°??￡?°?x??±???vá??x???i′?x3??aμ?dné??iá?￡?uu?￡?1i?xà??á?1??a±?i?á??x??￡??2???μ??±?μ???xé??￡

??????à?x?êp??￡??f???2ê?u???′?￡????????????}￡???a?|èy???i???^êpà2￡??1i?x?vμ??°?￡?i?è?td?^?^?′??a?x?u2??§??￡???uia??μ?2?x???′e￡?2?è??i????′e?e?`￡??]′e?|èy?}?éê?a?iáp′?￡??1

????2??§?x￥x￥?^￡????μ??′??a?x?￡

?????a?x??á???￡????é?td?y???2??§????°μê?￡??]??μ?i?x??fá??￡??iáê?2?dd?￠?x÷2?dd?￠?÷?22?dd￡??e??é??′2?μ?°?￡??1

?????a?x???^?￠°?￡???á???￡???μ?uá??^?￡?????è^2i?′?′?u?f￡??f2??¨?y?é??μ????}á?1??a???t???￡

????i?x?′μ??????z????2?x÷??￡??2??aμ????^?^?￡

??????μu??}?a????\\x?e??d?u?ui?x12èyê????b￡??f?u?aμà?é????e?i12d?°uá????b?_￡???un?u?ui?x?÷d?x?b￡??1

?????????1

??????iê???}￡?èyè???3á??á??￡?a?x?′á?2??§?????u?????????un2???xv￡?

????2??§?2??á???????u?b???xμ???2???xvá?￡????f??￡?

?????a?x·á???°x??￡?????y?é?°ê?x?u1è?e·μ??3???°y?á????iμ?????￡??e??i|?à???μ?1????}?￡è?ê?????μ??d????êp?ièyx?àá??￡

????1?è?á?1??a??3á??á???t￡?±???′eá??￡

???????uê?°??￠i?ê????￡?1

????i?x????????e?￡????}???è??t￡??é?￡??????3???1i?x??tμ?°?ê￡??μ?ui}ên§1a￡?è?áá?2??a????iiá???ud?μ?3??i?￡

?????????1

???????°é￡?μu?t?}??1i?x???étdá??x??￡??2??éd|μ??f￡????????à??μ??ud3é·yê?￡??1

????á?1??a????￡????eé?^??zd|a?￡?i?x??ê2un2???￡???????à??μ?3é·y??????ê?????t3t?￡

?????a?x?u?????μ12ê?1′á?xi???￡

????2??§??′?a?x???d?d3é??μ??x￡?èi2?x????^è￥??á????￡?????????à??ê?ê2un°?￡?á??|?é?aμà3é·y?á￡??1

?????a?xd|???3á???????￡?????aμàê???é?un?μ?￡??1?2??§??±u?^￡??a?x±?????ég?dii3?á???????μ?d???d3??i?￡????iê??????à???￡?1

????2??§?′é_??d￡??′μ??e??ê?èé°x?d?§uμx?é?μ???????à￡????′á??u·??u±?x????á????￡??á???t￡?2??§??2???μ?ê2un??μ????t?u3àμ?ê?á??e?i?￡

?????a?x???2ê?d|á??￡???i??°é￡??f2??¨??ii?μ????￡?1

????????￡?à?x?i????dμ????¨2ê?é???????￡????μ????￡?1?f??f￡????1ê???|?÷uuá?2?uu?2?éu?éêˉ￡?2??§?±???ê?ê?á????i?￡

??????1??a??2??a?′????^?àéu′?????àá?￡???un?t′e2?3??i?￡?1

????1?è?￡?á?1??a????2????￡??±???′eá??￡???yè~2y?￠11a?¨?￠?a??¨?￠ê??iuèé?￠i`é??a?￠??u???￡?1

????????￡?i?x?ê???′á?xi?????￡???????????|dt￡???un?t?aμà?????à??μ?3é·y￡??]μàài°?￡??1

????x?????μ???árá????t￡?i?x?2??èá??é???￡????￡???i2?d?????i?????_μ?3??i￡?μuèy?}?aà?x??ii′?ê2un??é?μ??è??￡??1

??????μ????}￡?2??§?êx?èèi2?x?á??￡?????à?é?i????ê2un1i???}°?￡?i?x???u′??è???á￡??1