?u′?o?·￠???y2????￠￡?é??°x￥x??yμ?ê?￡?o???±uá1￡??°′oé?￡?ê?2?ê?éixo2?ê?·t￡??±
éo???32à??￡?o?á?o?i·￡?d?à?2?i′?i°?á?￡?3¤??′i￡??y?u?μê2?′￡???2???iyμ??u′?o?μ??°￡??eéi??1y?á·?￡?2?1???i?·oè?3á??μ?á3￡?x￥x?éo???3μ?ê?￡?à?±u±uμ?￡???2????eéi￡???1aoyà÷μ?é¨1yxàé??uodè?￡?x?oo???u??i?·oè?éié?￡?o??y??′?μà￡??°x???￡????u?oà?μ?ê????u?u1uo?￡?2?ài?u·?d?￡????°??odè???oo?oo2??á??a?′′o￡?o?ooéi±?od3?ê??i1?á?￡????uo?±2xo2??á?é?aμ?￡??iê?x?3?ê?1yo?±2xo?￡?±
éo???3àx???μ?ê?￡???xi???μμ?ê2?′￡??y2?ê?è?2???·?3d2?x?ê?μ?￡???ê?￡???ê?éixo2?ê?·t￡??°???μ3??u￡???x??u±?￡?1??éi￡?xià???2?x?μ??é??éu￡???2?????μ???é?o?°x￡?xàé?μ?è???±?á?á3é?￡??tê?x??è??1yé?à′￡??i3μé?μ?ê±oo?yod?u?3oéo???μ?2?i??é?u￡????uéo???3μ?±i???é2??iê?odá?￡?
?°?iè￥?d′o·o￡?2???·?x????±??è￥?oxoà??￡?±?3?dμ?è???2?μ?dè??￡?·1xàé???μà??￡?éo???3x??u?a±????á?u??êu￡?è?áá??μ1±??????éo???3êt?u￡?éo???3??à?·o?￡??é??o?i¨ê2?′o2??od￡?o???od???÷?¨?u2±xo????êuoi3￡?￡
??1o???°?i??1¨′o·o?dà′á?￡?′?ê±?y?éé?á?o?3?￡???ê????u??i?·oè???±?￡?o§?à?d3yμà￡??°2??á?????a?′o?°é￡??±???u???1??od3¤??3?êà￡???2???±??i??éo???3o?￡??y???3á?o￠xo￡?è???é?é??????12?μ????y??é?iiè￥￡?
?°??￡??é?ao?ê????±??ê???x??èè???2????é?aoo?u?μ￡???a￡???i?·oè???oyoyμ?μéx??y￡???xo?u?uxoo????￠??￡?????éo???3??oaê??3á?o￠xo￡???2????μ2??¨?á°???è?μ??yéié?￡?xaéi???ui?·oè?μà￡??°o±???uμ?ê?o?oo±eiáá?￡??o???y?o?§o?è??o?￡?±??2???xoê??á?￡???i?·oè????¨2?1u??2???μ?ê??éá?￡???1a?′?o?uéo???3??±???2èμy??μ??u′?o?￡?o?á?o?i·￡??t??xoμ?ê?1à??o22?ê??y?μá???μ?￡?μ±3?2???è???2???è￠éo???3￡?è?μ?x???á?odá??o???￡
????á?o2x?2?x?á?￡????ê?i2?d?á?￡?3é?xμ?ê±ooii￡?μ??uxo3é?xê±o?±è??è?ii￡???ê±2??o???á?′x??ê?ioi??2?2??àμ?è??￡x???xo￡?i??éμ?i?x???￡?????á?d?à?±??uμ?2?dd￡?μ??a′o?u?±?é?uodá?éi?d￡?????á?o22?oè??á?￡??id?μèx?￡???2???i?·oè??μμ??é?a??ê?iyμ?á?μ?￡?′o?uxo±?à′?iê???o???2??¨μ?d?xo￡?oa???é?a1à????￡?o?????2??????i??éo???3odd???á?￡?x?3?è￥￡?è°??i?·oè?￡??°??￡?d?o?±2μ?ê?oéx?????°é￡??ooiioê?d?￡??ooi°￠?y?ad??ê2?o2?a?′1yà′á?￡??±
1¨′o·oà′μ??i￡??d????2???àx???μ?ê??￠?￠2u??￡?1¨′o·od?à??a??￡?x??uêˉμêé?￡?ê?′??uéo???3μ???2?é?￡???á?????￡???i?·oè??ux?iád?μ?μ¨?eà′￡??y?￡i?éo???3?3á?o￠xo￡?o?2??￡i?￡???oaê??3á?o￠xo￡???xo???¨?ᱧ?1x??oμ?￡?è?2?ê??yiá?é?a￡?éo???32??ái?è?·￠x÷?eà′?￡
o?°?é?￡?1¨′o·o2?3é??ê?￡??3á??3x??oμ?oud?￡?μà￡??°′oéu·oè???ê?od?2á??￡?±
??ê?ài±?￡?od?2?iê?od?2ê2?′ê???ê?od?2?￡
??2???á3é?à?μ??é??￡??°ê?2?ê????u3??êiaá?￡??±
1¨′o·oo?i·￡??°??·y??è??3￡??é?2??o??÷??á?￡?à?·oo?1y2?éu??￡?′oéu·oè??ao?i￥￡??3μ?????2??1o????￡?±?1od￡?1¨′o·o???μ￡?éo???3éixo??oddy?￠o?￡?ototodd?2uμ??￡?o￡???dy?￠o?μ??μ1ê????oi??2???od1??￡
??i?·oè??1??·′o|1yà′￡?????á?1t1t′od|?eà′￡??°o?￡?o?￡?3?ê?￡????????o???o?u1a￡??o′eo|??￡?2???o?±2xo2??é?a￡???oaê??o￡?à?xo?xx?′o????μ?iè?????ax??￡?±
??i?·oè??e±?μ??′x???￡???od?a?′?μx??o?uxoμ?￡?????á?μuo?′?2?ài?á??i?·oè?μ??éd÷￡?????xoxaμ??i￡???2???o?oooa°á3?è￥x?μ?￡???xox?è?o2oa°áx?￡????ui?o?á?d?á??u￡?ê±2?ê±?o??xo1yà′x???è?￡?3?è￥i?o?i?o?￡??°????od??xoo????u￡??oxooo?￡o???￡?ooê??￡o???￡??éê?????????2?à′μ??￡?±??????d?à??￥·oμ?á3é?￡?????á?d?à???????d?￡??￠x?éo???3￡?o????y?ié??i?uéu??o￠xo??μ??￡
?u?2???u???u￡?xi′?o§3?á??ax?￡??aê2?′￡??aê2?′éo???3μ??????a?′o?￡?μ±?ê′i?i??oa??μ??u?i??á?￡??t?????u??o????à???iodá?o￠xo?￡
??2???μ1??od3??aè???μ?dà?2￡??′éo???3d?á3?1°xx?￡?2?ê±ii?ê?u??￡????ioo?u￡?????è?xo￡??1ê?á?è??????uμ?μ±ii￡?o22??aμàê?μuo?′??1ê?μu?t′??3é?μ?￡?oaê?μu?t′?￡?o2ê???x??ox÷μ????￡
?tê?d???￡?·??àáá???÷????1?à′￡??y??μ???é?éo???32?ê?·t3?á???1??o1yà′μ?￡?áá????à′μ??i￡??é?uêˉxàé?￡??a?????÷xoμ?d?è?xoà′3uá?￡??y???????1?êx±??xoê?2?ê??3é?á?￡?x±??xoêi???uμèμè￡?2?????μ??3é?á??￡
??2??????à??2?o??éμy??éo???3￡??°???è3?μ?￡??oè???1o±??i3μè￥á?￡??o?????u?i?????￡?±???é??iu??éo???3??è?á3é?2????￠ê?oox?ê2?′￡???i?·oè?iyx???2???μ??°á3é?o?°x￡???á???xi?￡
??ê???o2x?i·?¤μà￡??°?o?μ3?ê?o2i?????á?￡?μ±?ê′oé??32???2???μ?ê±oo2?o2?????±?°???μiê?i??á???è???oyoyμ?μéx??yá?￡?o???ê???2???￡??1odo???ê?2??aê2?′ê±oo???uêˉxà±?μ?????á??￡
?txo?3?d?di?μ?à÷o|?1oaé?é?????2u3??ooμ￡?ê??????¤o??tê?2?è??tê??ux???êuá??ˉ?u￡???ê??μ?a?°2?ê??o??μ?é?°i?e￡??u?′′o?uxo￡?????á?i?á??u??￡??°???è·?x?3?ê?????￡???3?ê2?′è?3?xo?a?iê?á??￡?±o??′éo???3?2??3???1?￡???1?ê???è??iμ?￡????uè￥?ê?ê?￡
??2???oiéo???3x?á?￡???i?·oè?o2??á?d??é￡??tê?á3é?è?ê?d|￡?′o?u?±????2?μ?èy?????iodá?éi?d￡?ê????u??μ??￡??￡??u?′?u′?o?￡?á3é?o2??oiá?di?à￡??°??±e?±￡???′oé??3x?o￠xo￡??à?ê?ê?y￡???′o???ê?i2?d?á?￡???oi2????1?ê?á?￡?±
′o?u?±??xoà?2??1o???￡?à?à?iaiaμ?°2??o?á?￡??·é?μ?êˉxoo2oa??é¨?é??á?￡?i·o???￡??tê?x?2?x?á?￡?3?1y·1?o?è?u?±?±?|??è￥á?￡??dà′1u?o￡?à?à?iaiaê?ê°á?o?i¨￡?·2ê?odêˉxoμ?μ?·?è?2???êˉxo??á?￡??u??￡??oxoà?ouμ?μ?·?oa1oé?μ?áy￡??3?dood?xo2??¨￡?iié?éo???3é￠2?μ??°o22??áo|??á?￡?μ￡d????t?oè?ê?2?1?￡?o?i?á?????à?êμμ???xo?￡
????á???μ??yxoà??u?tê?éi±?x?á?′o°???ê±3???·?????·′o|￡?±?·??à1u?o±??u??é?d′d′??￡?????á??tá??too??éx￡?′o?u?±od?2￡????′3?x??o?uxo?àd?·u￡?μ1ê???oi?±??d?·uμ??o2?x?±±á??￡
??2?????iu??1¨′o·o?°à?od?°￡?·?x?éo???3???yié??￡?è?1¨′o·oè￥êé·??ê?°￡??a????é?μà￡??°?μ°é￡?ê?2?ê?éu·oè?éixood?êia￡??±
1¨′o·o2?x?o??￡μ?′oá?x???2???????￡???·?a§3éo?i?￡?±áx?á3￡???1ao?3áé???￡?o???oaiáμ?é±è???μ?￡?d?d?oioiμà￡??°·oè??uè?dy?￠2?1?￡?odd?2uμ??￡?o￡?′oéuoˉ2?è?°á3??oxo?èè￥êé·????i￡?′yéu·oè??uá?èy?????u°á??è￥￡??±?uá??u￡????id?μà￡??°éu·oè???xoà?????2??1á???￡?o￠xo?à￡?′oè?±?d?oao?o?μ÷??￡???2?μ?o?μ?ê????±
?°???μéu·oè???xoà?odèy??￡??±??2?????i·????￡?3áx?μà￡??°od??od·¨xo±￡x?o￠xo￡??±????è????u2???oad?o￠￡??éè???o???3é?á?￡?éo???3???u??d?￡?d?2u??á?o￠xo￡?????éo???3o2??2???è￥á??￡
?°′oéuoˉ°á3??yxo￡?è?éu·oè?o?o?dy?￠￡?x±??xoo?é?à÷o|?oo?μ÷??o?????￡???od?°èy????2?3?2ixo￡?o￠xo???i??ê??￡?±??2????ê?á??ê￠￡?éu·oè?o??2?àè??¨￡?á?è?x??uo??e???¨?á3?ê??￡
??2???·′o|1yà′??μ?oa??￡???oaéo???3??odd?è?xo￡???o???iié??????á??iuo?·?￡???x??′à′o??ê2??u???y￡???2????u2?μ±3?￡?±e?′??2???oi?u′?o?3é?x??odo￠xo?1á|′o￡???2??¨ê???2???°μ?dx?á?ê???￡??°?téuoˉod??od?o1y??￡??±
1¨′o·o2??÷°x?°ia???′o?μ???2???éié?è￥á?￡??è??á?éu￡?à??2μà￡??°′oéuoˉ???êê2?′￡??±
?°?téuoˉod??od?ê1y±u?dμ?·¨xo￡??±
à?μ?éu￡?1¨′o·o??±?x?d|á?3?à′￡?2?d￠odèy?too?a′o￡??téuoˉ?o??°????ê??éixoê?2?ê?3?á??êia￡??áou±u?d￡?3yè′??2???2???μ±μu￡?ouéuod?dxo2??2??μ±μuμ?￡?μ±è?￡???2???μ??3oé2?ê????¨à′·?￡??téuoˉ?téu·oè?éixo?????êia￡???μ?o??±?????3é?￡??ao?μ?￡???o22?oi?￡
′o1¨′o·oμ?±i?é￡???2???μ?μ?á?′e°?￡?i?á??u??￡?x?3???￡??′x??é?????àμ??oxo￡???2???od?à?μ2?3?￡?odμ?è???·?éè·¨?3?d????3é1|￡???o??±d?d?oioix?oo1?i·±?á?o?±?￡?????x?è?ê?è?éo???3?3é?á?￡??a?iê??u￡??1o?à′à′èy???￡
??2??????±x???è￥￡?2???1oè￥3??áo????id?￡?x??oè￥á??tê??oxo￡??μá?1¨′o·oμ??°￡??tê??22?x?ê¤￡??°?a?uμ??°?éoa?u?oá???d?????à′￡?èy??o￠xo??iiμ?3¤￡?o?éàoa?à±?d??￡?±éo???3??ê???od?￡??μ?￡???1?oé?ooi??oi?·oè??2???y￡??tê?o2?2???y?2??μ?2?μ?á??￡
éo???32??a?toox??y?3?d￡???à?μ???è?±èμ?á??ê1??1oa?|￡???2??????yμ?ê±ooéo???3o??d?á?￡??t??μ??′x???2???￡??°??è￥???uá?￡??±?y2?1y??oa??′2?o±?êé?′??±?áá??à1x?á?￡?è?oo?i?u′2é?iéá?o??????￡
?°???o?o?μμ?ê??￡?±??2???d?à???éo???3?3?dè?è???od?à′oμ????2￡?x??u′2??é?￡?àx??y????êyêyμ?ê?￡??°éixoo?êud?á???￡??±
éo???3?￠x???μ?2àá3￡???2?????d?μ?ê±oo?μ?°xi???￠?￠?ix?￡????????uo?á3°??u￡?éo???33é??ê?￡??ê?ê??￡??°??ê?2?ê?2???d?￡??±????μ?2??2??o￠xo?e￡?
o|???yéu??￡???2??????o?μêμ?°￡??°?od?à?μ±è???d??￡?±
éo???32?d?￡?±31yéixo2?ài??￡??°??2???d??i??á?￡?o?oo?ooio￠xo1y￡???x??o?é?aè￥°é?￡?±
??2????uê±à??á3￡?·3?êμà￡??°?μê2?′?°￡???od?o??à′μ?o￠xo￡??????u???u?o?i?u???u?￡?±??x?￡?o￠xo?1????μ?éo???3d??????aê???á?￡?o?ooèy??o￠xo￡?x??o1à??oa??μ?x?ooè￥á?￡?????????3??°￡???d?à??i??μ???êu￡???éo???3??oo??éx??x??y￡??÷??éu??á?￡???2???i??￠μà￡??°?o?????????uo?￡???o22??uiuá??o?￡?±
éo???3??i??′??￡???2????áèáμ?à?e?y￡?odá?o￠xo??d?à?x?ê???d?μ?￡??é??x?o?oooi?y?à′|μ?ê±??éuá?￡???μ???d??i??á?￡?ê??2?u?y?1??i1μ?d??1é?￡???ê???iià′μ?o￠xo??o2??μ?è???á??￡
?°i·èy??????±eμ?′|x?￡??i?u?oxoà?￡?odê2?′ê?????áá???o1u?o￡???????à???x?′o￡???è??oμ?x???￡?o?????à??oid???è￥???￠á?￡?1à???÷è??y???i?áà′￡???±ei???d?á?￡?d??é?e·u′o??o￠xo2?o??￡?±??2????????μx?￡?2???????éo???3?yodd?2uμ??￡?o￡??aá?o￠xo￡?éo???3o??¨2??á?ox?μ?￡?2?1y￡??°?3x?o￠xo°á?o2?o?￡???odμèo￠xoéu??à′μ?ê±oo?u?μá??￡?±
?u???u??o2o?￡??u′?o?oi?tê??éo?à′???y?μ?μ?°2??á??￡?è￥á?d???xo￡?á????μ?°μ?è?????od?￡iié?￡???2???1???μ?±§x?éo???3￡?2??o??àx3?°?2?￡????aê?éo???3μ￡o???ouà′￡?è·d??????o?ˉoo2?·?d?μ?±?é?á???￡????u???3à?￡?xi??1ox??3?3μ?d|oa￡???2???μii·?3?yo???￡?d|x???é?á???￡??y?2???a??éuo￠xo?iéu￡?′o2?á?￡???à′°?o￠xo???tê???x??￡
éo???3?3á?o￠xo￡??tê?è??y2?o?è￥??°2á?￡?oè??éo???3?1odd?2uμ??￡?o￡??u2??oè?éo???3à?x??￡
è￥??i?·oè??oxo??°2￡???ê?????x?éo???3￡??t2??d?μ???á???ê?à?μ??ixo￡??°?3á?o￠xo?iê?o?￡?3??è?¨ê???2??aá?￡?2????±??￡?????xoo2?u?u???￡?±
?u′?o?o§á?o§′?￡?????éu￡??tê?xi?????e3°·iμ????è￡??°3?ê???xoà?ê?odèy??o￠xo￡??y?ê?id??uoaxd????o?x?￡??tμu????éuá?o￠xoo￠xo?u?3?dμ?ê±oo2?o2o|??μ?2??oμ?′|x??e￡??±
?tê?2?oi??ê?????ê????°￡??u?±?yê??è??μ?ê±oo￡???oa±???ê???3???o?′?￡??tê?2??á·?1y?y￡?d±???′x??u′?o?￡??°xoè???′o????éo???u???iá?d?￡??x?o????ê??áà′￡?′y?á?????t?o°?x???′oé??￡?±
??ê?d?μxo?á?éu￡???i?·oè?iyx?éo???3?3μ?ê?èy??￡????|ááá??eà′￡??°ê?á?￡?3?ê??ê?id?￡?oaxd????x?￡?′y?á??1yè￥μ?ê±oo???????§?êè?2?′?1yè￥￡??oá?x?o2o?2?é?￡????oμ?????xoo??￡?±
??i?·oè?xoii??dy?￠o?￡???2?????ê??????á?￡?′o3é?xoo￡???è?????x?éo???3à′??x??o??°2￡???è?è′2???è?o°￡???i?·oè?d?μx?áé?￡??°2?????o￠xo??￡??±
?°è￥i?xo??á?￡??μê?odμ?ê??￡?±?tê?o2?a?t2???ê??????i?·oè?á?￡??uxo???é￡?2?ê?éo???3?3á?o￠xo￡?xoè????tê??12??aμà???′ê?3???￡?????á???è??1oaμ±?μ￡?3?1y??·1?ix?á?￡??·é?￡?????á??ê??2???￡??°??′o???|ê2?′?uμ?±è?o?1?i￡??±
???2????o′?￡?x?è???????μ??￡?u￡??uê±????á??i??á?d???￡??°??á???á?￡?xooo??o2ê?μ±μuμ?è?á?￡?x??od?à?od·?′??io??￡?±?t?uxoo???xi?i?2??x§??￡?????á?d?à?2??2??￡?2?oéμ??o?iá?2?·￥?￡
2?3?á?è?￡????u??′oéu·oè??3x?èy??o￠xoμ?ê??i′??aá?￡?1?è????a?|é￠o?￡?i?ê±?3odá???±?±?è??aê??éèe￡?o????1ê?èy??￡??êé?iyá??????a??d|￡??°o22?i÷μ±è????tμ???o?iμàáá?￡?éi?±?t3??dê??￥???±
i??à·?3dμ??μá?á???o??°￡??°2??????uia±ià???￡?1?xoà?è′ê????é??o???è?￡?μ±á?μu￡?d?xo???áou·￠3á?è￡??êé?????ê?o￠d?°????±
?êé?2???o?′ê￡?2??a?ao?￡???é?o?á?2?éu￡?????2???ou·￠?÷??á?￡??éê?￡?·?axà??￡??i2?ê????′??ê?á?￡?i??àè￥???u·??à1?è?è￥?u????x?o??a￡???éi??à′???êé?á3é?o????u2?￡?1??????uo?2à￡???1?±?1?d??￡
μu96?? 096 ???o3?ê?
?°??μ±?tà?oyi?á?ê?2?ê?￡?′??tμ???oa￡?è?1¤2?édêé??1?￡??toa?ê?ê??oao?o??a￡??±?êé?á3é?o????u2?￡?2?1yo???1¤2?￡??1?u3??a?′′oμ?2ixo￡?oox????u??èy°?i￥′?à′μ??2??o2??á?￡?o????ei?xo??μ?i?xo?uà′￡??°i?xo?uéixoè?o?á?￡??±
éo???3?t????2???o????à???iá?éi?d￡?i?xo???t?a3éèoo22??????xood?ˉ?2￡?i??à′1i·￡?i??èou·￠1§?′￡?3?êμμà￡??°?y?μ?°μ???μ?μ?o?ê????÷μ?′o·o￡?2??é?￥?￥o?xaá?￡?x??uoéi?xo2à?uo??±?u?u?°??oo￡?i?xo2à?ud???￡???1?è???????μ?￡?i?xo?u2??éo?xao2ê??y3￡?￡?±
?êé?°??dx???￡??à?′á?i??àá???￡?1?à?i?i?è?è??à￡?i??àè?·?μ?á??μ?o?′|??μ??á°?x?i?xo2à?u?μ?°￡?i??à2??ˉéué?μ?′1x?i·￡?°?é?2?μà￡??°ê?i?xoi?à????μμ?￡?i?xooii?xo2à?u1??μo?￡??d????x?i?xo?u??o2??·¨xo￡??°á?è?i?xo2à?uà?μ???1yè￥á?￡?i?xo?uo2?μi?xo2à?u??ooμ??uμ?￡???ooi?xo2à?uo?ê32?d?μ?μ???1?á?á?iié?￡?μ???è?????o?1y???￡?±
?°è??êoo?μ?μi?xo?u￡?oé?o????i·d?xoê???o?μ?￡?2?á??a?′?à?êéixoo22???o?xa￡??y2?1yê??μ?êéi±?è?oμod???μμ?éixo°?á??￡?±?μx?￡??êé???1ao?μ?xà??é?￡???i·?????￡
i??àáix??±?t3??d3?1?ê±o?x?i?oo?t1?μ?i??à￡?o??ê2??ao2ê?è￥′o???u??d??áê￥??μ?￡????u??μ?i?·oè?oii?oo1??μo?￡?è????′????êài?i?￡?o?ê?èy??￡?i?ooo2ê??a??i?·oè???d?μ??￡
1?à?à′á?éi′i￡?′???μ?ê????°μ?i??à￡????1??x?éo???3èy?2o??°?y′oèy2??èμ??uxo￡?′yê?μ???÷?μ?éi′i￡????ád?μ?3ˉáio?i??àd|á?d|￡?á?è?d???2?d??￡
μ??a′o·?o?μ?á?1?à?éi′i￡???ê?ê?à?μ??áxo???i±??yèà?éá?￡???2???3é?x1?à?éi1yo?′?á?￡?éo???3o?2?ê?i??u￡??3?ddèoaê2?′éi′i￡???1é??￡???é?2??o±i??°?·?￡???μ??oxo·￠á?o?i¨?e￡?éi±?μ???÷?????à?è?o?2??￡
?ix?á?i??à￡??tê?·?x???i?·oè????y￡??oxoμ??¨d?á?￡???÷?d?????·?x??2?ê￡?iux?x?±???è?d?μ?￡??tê?????￡??°?ê?ê′oéu·oè??2??ê2?′?¨?uè￥?¨·?o??????±
éo???3??·y?3￡???x?odμ??¨??o|?2￡??tê??3x???2???μ?ê±oo??u?ào?¨??μà???a???d￡?o|?2o2ê???x????????u?aê?μ??￡