??2???x??oo2??x?á?￡?2?1y??á3?¤o?￡???é?2???t?t?·′???3??x?è?μ??o1yá??°￡??°??è￥?′?′±??aμàá?￡?x?°é?￡?±
±???éiê??￡?y￡???á????1ê???á?￡?à′è?·?3¤￡????u±e???μá??y?￡
éo???32??a?t??2???μ???·¨￡???????????á????°￡??u??￡???2?????àoxoμy???y￡??áéu?μá???ê2?′?yo2??iy??3t?￡
??2??????y????oyoyμ??uxo￡?d?μxo?d|￡??y?????1ê?od?d?éμ?￡?êi?¤?yè???￡??y??à?μ??à?á???uê?ê2?′??′o??2?μ?x??￡
?y?y￡??uê?x??uxà?°￡???x???￡?o?á3?y??￡?1u?o???u?y?y?d??￡?μix?i·￡?1ax?éixo￡?i??è1§?3?￡
?y????à???3?ê?á?￡?1u?oê?i?ê?é?éi±?μ?à?è?á?￡?x??á??·?ê1??￡?éo?3?¨?àoo??éu???t·?ii??￡??uê?±?x??ào?ê?2?è?éuo?ê??o??oa??1?d???2?o???????°?á?￡??d??μi???3?uμ????uê?￡?3y·?ii′o?÷±?3?à′á??￡
?uê?x??uxà?°￡?ê?idx?2è±￡???èyà??t￡?i§i????yè1°ué?e¤á?2?éu2yd?￡??e???á??￡?μ￡o?μà￡??°è￥???uá?￡??oè?áá??è￥2?μ??°??￡???μ???è?￡??±
é?′?μ?ê??uê??1d?odoà??￡??yd?à?otot?aμà?ê???ooouê?￡???ou?°2?μ??¤?y°?á?￡?iy?μ2???éo???3è?o°￡??y????è???d?d÷2??t?eà′?￡
éo???3i§?eê?à?μ?àoxo￡???2????u?è?i￡??y?yo?àoxoμ??¨áà?uê?à?2??á￡?????x?è′??????ê?è???μ??￡
?uê??éá??u??￡???é??′x???±?μ?μêxo￡??°?ix???oè±2è￡?o?oo?a??ê?????áá???y??±?ê?á??￡?±
éo???3?￠?￠o?d|￡???àoxo?é?uxàé?￡???1y?÷??μyé?à′μ?2è?μ￡??oá?o?d??u￡?oéx??uê??a?y??àiè1°ué?μ?2yd?￡?d±??é¨á?1u?oo????￡
?°à?????èyd?????°2?￡?±éo?????uodê??à?o￡?1u?oi??è???a±°?3￡???x÷??ê±2??o??o?ê1±?ê?o?μ?á??￡
?°?aá??￡?±éo???3μμ?a3?á???x?±?2??u?μ?°￡?1u?o??è??y?a?u￡??y??2?è????u???￡
1u?ox?±?o?μ??°μ?á?xi±?o?éuéu?ê??￡???o2μ?3?á?3?xi??￡?o2x?i·?¤μà￡??°i?·oè??ad?è?xoo?o?￡?o2??′o·o??1y??á?￡???x??uo??t·oè??u??à?3??àêuà?d??d1yoa2?è￥￡?i?oa2?à????o?u￡??t·oè?￡?d?éuoˉ??è￥?￡?±
éo???33°·iμ???á?????￡?i?ê???ê§d?·èá?2?3é￡?2à???′x??uê?￡??yx¨d?μ??ix?è1°ué?μ?2yd?￡?o?????iyμ?1u?oμ??°￡??uê±￡?éo???3?i?÷°xá?￡??uê?￡?????o2ê?2?????è￥á??￡
?°???è??è￥°é￡?u÷??i?·oè?￡??o??2??o?3è???è￥￡?è??yéixo1??u3???ê?￡?d????°??2??á?μ￡?odè?iu??éié????à??o2od?u?t??￡?′yd???′od?á??÷ê?·?á??o???u??è￥?￡?±
?uê?????μμμ?ê??1?aà′￡??°iê￡?±?3ˉ??±?μ??÷???oê?￡??°???i1u?o3?è￥￡?d?éuoˉ?1?u??i?·oè??yà?￡??o?a?i±§????à′?￡?±
?°°???ê????÷???μ￡?oo°????oê??μ??1u?oiyμ?￡?1u?o3?á?±????t￡?á3é?±eiá?à???′á?￡?÷?ouμ?á3?1??à?±·￡?o§á?o§′?￡?ê?à?oo?ux??÷??x?á??￡
?°??￡??u?μ??±?o?3?ê2?′???êxoá?￡??±?uè?i?ê?·?μiéi??μ?ê?￡?±?2??áê?d?ê??￡
?uê?2??uoaμ???á????yμ?è1°u￡?????μà￡??°2?1uê2?′ê?￡??o??2???è￥±?ê?á??￡?±
1u?o??μ?éo??xa??á??uê???°￡?i?ê??2??é?1μ?′?x?xàxo￡??eμ?é?±?μ?2è?μo?i?o?i?￡???o???μ?????±?o??dx?μ?μ?d?i?ê?±§?1μà￡??°μ±3????μ??·¨xo°?è??ix??μá??uê???éu?yμ??tx±±?ê??o??μ?￡????u?éo?￡?iμ?|2?3é·′êé°??x￡?x?3¤?éê??xx?1yà′?μoa??è??o??à′???±
i?ê?è????1μ￡d?o??tê?￡??éè￥?μ?uê???éuμ?è????u???????￠￡??á2??á±??uê?2i??μ?oo??è?x￥?eà′á?￡?
d?i?ê?x￥?e?ixoà?μ??aμ?o§á?o??u￡??o?uμ?i??uxàé?￡??°oa?o?μ￡?????à?μ?3?xo??????á?￡?x??ux?μ??aμ???à′????3?á??￡?±???′i?ê?áu?u±?·￠μ?±??μá??a2??o?oμà￡??°o2?iê???±?é?±?μ????￠??μ???á??÷??￡??êé?oa??????′i??d????e???1od??ê±????￡????±ê2?′￡??±
d?i?ê?????μ??t·???ê??￡′o?u′o￡??êé?2?1y2??o??á??1è?d??aà′3±oa??éo??μ?????′i????????′oμ?o￠xo￡??12?ê?êàxo????￡???ê??y?μ?o????￡
i?ê??é2?è?d?i?ê?·??é￡?d?à??±μ?2?dd￡??°???oμ???°?è?°iê????′?u￡?1yè￥′o°???á?o22???????????￡??á2??á±?x￥x?á?￡??±
d?i?ê???1ao?°μ￡?o??¨μà?°o|??2??á￡?xyè?±?x￥x?o22??á1?3??o??￡?ê???￡?·￠éu?a??ê?￡??uê?2?x???x???à′2??°￡????á′o???i1??o?o???é·3￡??±
i?ê?d?à??a2?é??￠?oá??o￡??°???uê?2?????à′￡??a2?ê??aμà?êé?′iá?d???????odoa???o?o??￡?1u?o?μ???oi?·oè?o2?u??????à?￡????o2????o??￡????￠à′μ??i￡??uê??á2??á′o???oè?xià?iy?μá?ê2?′￡??±
?a??d?i?ê?o2?μ2?x?á?￡?d?·3oa?oμà￡??°?o???′?aμà￡????a?i2???i??a????????od3??êé???oa????à′??????????èy?a?????￡?±
i?ê?μ?x?i·￡?xá?￥x?êμ?u2?ddè??|ê?x?o??a??á?￡?3¤é?è???￡??|ê?μ??°?uê?xu??iyμ???è￥￡?oa3???????à′???°o??uê??ad?￡???d???±§μ??yéi±?à′2?dd?￡
è???￡?2?μèéo??od?udd?ˉ￡??êé?μ?ê￥???ià′á?￡?i??à?1ê?é?′?à′??à?μ?i??à￡???oaê????t·?μ?￡??t·?μ?è?2??u￡?????od??x?ê￥????è￥á??￡
?°????x?￡?oo??éo?ox?è??ià′á?￡?x?3¤????μ?è?x?ê?à?μ?1??è￡??￠μ?i?ê?d?à?·￠???￡
?°?3°2￡????xx?x?o?i?￡???è??o??à′￡??áou?aéo??￡??o?′x?o2??·??oá??￡?±
???°èyê?1??io???iá1yéo??·??oμ?ê?￡???x?éo?3?¨??x??t·??i·?3?è￥′?3?è￥??éo????éu2?o?￡??êé??u??μ?éo?????????áê?i?è?à′á?d???￡?·??÷ê?odè?′?d??o?êé??oμ?￡???2?è??a?u??od?a?′′oμ??u?i￡??é3yá??u??????2?3?????è?à′￡?
??à′??è￥￡??t·??¨od??2??aμàμ?è???￡??a??è??á??ox?u?iè??êé?′iá??t·?????￡?éi·yμ???2?????o÷￡????′éo??·￠éuμ?ê?????±?o2ê??′?u??à?μ???
??μ??àá?￡?x?3¤?u?á?¨á?oa???t·?·?3?à′μ?d???￡??t·?2???′o·?oa?i3dà??y￡???dè??2?2u??μ?3?à′?′?é?￡???÷°xá?￡?o?è?á?è?ê?à?μ?1??è￡?i??￠μà￡??°ê???·??oá????±
i?ê??e?aμ??μ2?3??°à′￡?xi′???à?á?o?????2??oμ?x??oμ?éuo?￡??°2?￡?x?3¤￡?2??u·??o???±
??ê2?′?t·?odá??????ioa·??o￡??y2?di?￡
μu26?? ?o?¤x???
i?ê?iáá?iáxi??￡???????d|μà?°x?3¤￡?2?è?μè?y????à′?ê?ê?y??μ?oa??￡??3?¨x?á?￡?á????y??1??u1???￡?·??o??è??áo??a?o??è?o????o?y??á????±
x?3¤?iè??°??μ???á??yo???￡?i?ê?d?à?′oê2?′?÷oa????ox??￡??t·?odá??°i??i???μ?uéi±?￡??é?§￡?iiá??￡??2????y??è?????￡?°u°uê?￡?′?′uéo?3°2????3?·￠￡??°·??oo?ê?ê??u±?μ?￡???è?à′??ê??a?á??o?éu???±
?°??￡?2??u?′i?ê??¤?uμ?xiá3￡?xaéi′?′uéo?3°2á￠?′3?·￠￡?x?3¤?oè￥á????xou????￡??o?d3¤±2???u￡?·??o????????éu2?o?￡?oi????i¨éu?????t·??uo?o??￡
i?ê?i§ê?ê?i?iiá?￡?éi3?μ?ê??1?′??μ?x?3¤o?d?￡?±?éo?3°2oa??2??÷μ???é???μ???á???è￥￡???1yé?￡?o?ddè?o??u??2??aiaá?￡??′x???????μ?ê?￡?i?ê?μuo?′?oaê?μ?￡?éo??￡???oo??áuμ??éd??á?u???a?￡
μ??aéo?3°2à′á?μ?ê±oo￡?éo???3?yoi??2????u2?μ?2é?′??μ?°x2?￡?é?à?μ?iià?￡?2???3¤μ??y￡??μμ?oa??d?21é?￡??yoiáá??μ?μ?ê±oo￡???2???o???uá?￡???é?è?÷iμ???????é?3??÷￡?o?éi??????é?o?éà3?μ?éid?±ê?±￡?·?x?è?o?￡???ê??·d?μ????u??±?°x??ê÷±?￡?o???i?è?á???μ?μ??é?￡
éo???3oi?￥oa2?oaé??°μ?ê±oo￡???o?x?á?1yà′￡?o????′′??yμ?d???￡??÷?ˉ?a?u?aêi￡??°x???x?±???á?￡??oà′?′?′??????μ??¨è?o?á?￡???à′?′2?μ?￡??±
??2??±2??ê￡?3á?èè?é?￡?éo???3μ12?o?i???è￥￡???x?éixooé??°￡?o?o?ê?á?o?à?￡?μ?i·μà￡??°à′????2????′?uá?￡???i?·oè?o?ê±????￡??±
??à′±?ê??o??i?·oè?????￡?á?x???è?o2??iy???oè??μ????o?ê?￡??yo??a?1?á1yd?è?xo?￡
?°?÷è?°é￡?iiou·￠à?á?￡??ui???è￥?·é?x???éixo3?2????￡?±??2???2??ˉéué?μ??oi?áá??￡???oo??ê?è¤μ?x?á?￡???2?μii·′oá?éo???3?￡
é?à?μ?è?xo?y??￡?è?????x??yé?i?o?è?￡?1yμ?2?′i?￡ê??êμ???o￠?yê?·￠oyμ?ê±oo￡?éid?±èà′μ?ê±oo??á?￡?o?éi??é?3??d??xo′??uéié?é????iá?￡?????μ?á3é?3¤á?èa￡???èy1a?à￡???èo????￡?èáea′d°xμ?ê?iáx?è1°u￡?°?′1x?i?xo￡???3¤μ??t?????ux???o??y??êoμ???1a?￡
????1aè???￡?éo???32??oi§i·￡?x§??á?è1°u￡?1êx÷?á?éμà￡??°?o??è￥?′?′2????′?uá?￡??±
??ê??ˉ?ê￡??yd?à?o?odá?′e°?￡?1???￡?i·?￥á￠?′′?à′??μi3áμ?é¤o?￡??°x?°é?￡?±
1ê??￡?áá??u÷?μéo?3°2à′á?ê±￡?éo???3??oaê?μ??′?oi??u?i2é2??uμ???2???￡?oo??i§i?￡?i?á?i?o??′μ???￡??°èyd???odê?±?è￥?|￡??oà′?io??￡?±
éo???3?￠??x?xi￡?2??a?μê2?′2?o?￡???????°uá?°uê?￡??°?iè￥°é￡??÷è??o?ix?á?￡?±?2?i?oao??t·oè???′?￡??1i?èyd???′u?axa′??￡?±
?°′oéuoˉ???±?°μ?á?xi±?o?iiá???è￥￡?3áo÷???i￡?????3á??μ?x?á??￡
áá???|μyé??ixo???y2áê?￡?x?á?á?2?èi2?x???i·?′￡???2????±x?éixo￡?o??￡2??￡μ?i?x??y??￡??a??è?￡????o′oéuoˉo?x??o?÷xoμ?x??ˉ?y?′?u??à?￡?d±???éx?éo???3￡??yèy?2o?￡?d?xoo2?dè??2??￡??é2?1yê???ê??êμ?d????????o′oéuoˉo?odê????êá?￡?á?è?2?μ?o2è·êμ??á???o?o?i·￡??oè￥??xoà?μ???·¨￡???2??¨???o′oéuoˉê???x??od???μ±3é????????
?·é?o?x???2???￡?éo???3?i??μ??u?￥ê?à???x÷?do?á?￡?oo????ê??′o??????·é?é??????￠x??y2?·?￡?áá????á?????￡?é??°d?2?μ2?uéo???3éi?°±u?a??2?????1a￡?oo???￠?￠o?d|￡?′o2?iu2?μ?è￥á??￡
?°′o??￡?x????ê?o??o?ê±??3i￡??±??2?????èy??d?￡?????????￡?o?éu??àêμ??êμà?￡
??2???x?3?2?μ?￡??dê?è????oi§??à′￡??t2??d?μà￡??°?÷è???3i￡???μ?￡?x????±á?￡??±
?°x???μ￡o???à?3?á?ê?￡??oà′ê±o?x?éo?o′od???á?￡???2??á?????o??o???d?xo?u??á?é?°?μ?i·3??iê??a?????a2??àê?μ?éo?o?±????￡??±??2????￠x?oix??ood??·??à??μ?????￡??a′?????oo′o??d?xo±?á?di?à￡??μ??à?????o?d?ê?èè??μ?ou￡??μ??o??à′|￡??u??à?è??u??·á???????μ?à?x?á3?￡
??2???i?x???????x???i·μ???2???￡???o?ê???à????°￡???2??????3?3?μ?àx???μ?ê?￡??ê?ê??￡?′o??￡??aá???????è???ê?2?ê?á??o??2?oaá?￡?2?è￠?t?i??á?￡??aê2?′oaè￥??3?￡???·?μ??a?y?àá?2??u?êd??e￡?
??2???′oà′????oix?á3￡?′od?á?è??t?°2?i?￡??o???tê?éu??2????÷á?éixo￡?á?d?μu?uê?oao?￡???o?′?￡???è′da?1μxà?μ????e??￡???o??i￡???2??aμà￡???è?d?i§oaμ??ad??êà?￡???á????à′oμ??1á|?￡
?tμu￡?ê??o?·?yμ?￡?è?2?ê??o?aè?x??o￡?x?o??a?u?¤x??y????á?x?è?i?iy?yμ????￠￡??yo?d?±?±?μ??t??éué?è??i??i?￡??yo?±2xo???aá??u??μ??xè?￡??o2??uè??y???′x?éo?′???à?￡
??á??êê???d?à??¨2?è￥μ?o?o°￡??yéè??o???xoou??i¨?μá???éu?t????2yo????uê???d?à?μ?i′￡?è?·??t?·?éx?￡??y???á???′x??￡
??2??aμà?aê2?′o???μ???ê????ê?a?ê￡???±?2??á?′x??y?yè????a3á????μ?￡?±?±??t??μ??t????è??￡
??d÷±?′o??￡???1a??μ??°x?èè??μ?i°à?￡???2????xéi￡??????′x?ê?é?μ??à￡??￡??μà￡??°?tμu￡??y2?ê?±eè?￡?ê???é?xo￡???x?á??￡?±