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Estados quânticos de um elétron em um campo magnético uniforme

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✤✥✁☎☛✌✦✧✄★✦✧✜☎✦☞✘✩✍☎✞✫✪✭✬✎☛☞✄✝✮✯✏

✰✲✱✴✳✶✵✓✷✹✸✕✱✻✺✽✼✿✾✓❀❁✳❃❂❅❄❆✸✫✱❇✷✹❈❉✼✿❊ ✰●❋✡❍■✳✴❏✭✸✫❀ ❈❑❊ ✼✿❊ ▲▼✵✫❊ ◆❖✸

P ✵❘◗✕❀✹❍■✳❃❂✡❄❆✸ ❙❚❀✹❂✡❯❱✸✓❏✛❊ ❈

❲✲❳❩❨✯❬❪❭❴❫❛❵❝❜❞❳❩❨✹❡❛❳❩❢❤❣✭❬✐❭❩❥✯❥❞❬

❦■✏✒✁☎✮✯✏✚❧♥♠☎✏✒♦✚✄✎✁✣✏✒✍✣✘✟✠☞✏

✙♣✠☞✘✒qsr✉t✂✠❅r✈t✇♦✚✄✝✦✧✠✌✄✴①②r④③⑤✄✝✦☞♦⑥✏⑦✁⑨⑧☎✤s✪♥✇✔☎✙✭⑧❩✇✔☎✙❶⑩❆❷❸✠☞✄✝✞❅✁❹✦❺✏⑦✍✣✘✟✠

✙♣✠☞✘✒qsr✉t✂✠❅r❼❻✒✘✟☛☞✄★q♥✪✑✠✌✞❅✁✣❽⑦✞❅✢❾⑧✑✤s✪✛❸✔☎✙✶⑧❩❸✔☎✙

✙♣✠☞✘✒qsr✉t✂✠❅r✈❦❆✠☞✜✗✦✧✘⑥①❿✏❱♠✿✙♣✄✎♦✚✞❅✁❹✦☞✞❅✢✴❧♣☛☞✮✡✘✟➀✑✏✒✠✡⑧✑✤s✪✛➁⑤⑧❩✇➂✂❧✈✔☎✙

t✇✄✎☛✌☛☞✞✡✠✌✦❺✏⑦➃✯✖✒✘✩✏✒➄✣✠✌✞❅☛☞✞✡✁❹✦❺✏✒✍✑✏✩✏✒✘

✤s✪✛❸✔☎✙❴➄✣✏✒✠✧✏➅✏❁✘✟➀☎✦☞✞❅✁✣➃❅✖✒✘✩✍☎✘

✠☞✏✒✜➇✍✣✞✫①➈✞❅☛➉✦✧✠✌✞✫✞✡♦➋➊❆✄✎➌✡✁✣✮❅✄✎✏✒☛❅r

(2)

➂✂✞✡☛✌✦☞✞✇✦✧✠☞✏✒➀✑✏✒✢✝↕✣✘✣⑧❝✏✒➄✣✠✌✞❅☛☞✞✡✁❹✦❺✏✒♦✚✘✟☛❆✜☎♦✽♦✚➙✡✦☞✘✗✍☎✘✕➛➜✜✣✞✇➄④✞❅✠✌♦✩✄★✦✧✞➝✞➞♠✗➄✣✢✝✄✎✮❅✄★✦❺✏✒✠✈✏✫✏✒✠☞➀✣✄★✦✧✠☞✏✒✠☞✄✝✞❅✍✑✏✒✍☎✞➝✮✡✘✟✁❹✦✧✄✝✍✑✏

✁✑✏✒☛⑤☛✌✘✟✢✎✜☎➃❅➟❝✞❅☛❸✍✑✏⑦☛⑤✞❅➛➜✜✑✏✒➃✡➟✗✞✡☛✓✍☎✞❁✘✟✁✣✍✑✏➒✠✌✞❅✢➠✏❱✦✧✄✝✆❝✬✝☛✌✦✧✄✝✮✯✏✒☛✡⑧➡✁✣✏➇➄☎✠☞✞❅☛✌✞❅✁✣➃❅✏✿✍☎✞❛✮❅✞✡✠✌✦✧✘✒☛❘✦☞✄✎➄④✘✟☛✇✍☎✞❁✮✯✏✒♦✚➄➡✘✒☛

✞❅✢✝✞✡✦☞✠☞✘✟♦✩✏

✁✣➙➞✦✧✄✝✮❅✘✟☛❼✞➞♠❝✦✧✞✡✠☞✁✣✘✟☛✡r✈❧✉☛➉✦❺✏➅✏✒✠✌➀✣✄✝✦☞✠✧✏✒✠✌✄✎✞❅✍✣✏✒✍✣✞➝✞❅☛✌✦✧➢❁✠☞✞❅✢✎✏✒✮❅✄✝✘✟✁✑✏✒✍✣✏✕✮❅✘✟♦➤✏❛✞➞♠✗✄✝☛✌✦✧➌✡✁✣✮❅✄✎✏❁✍✣✞❸✜✣♦✩✏

✦✧✠☞✏✒✁✣☛➉q❪✘✟✠☞♦✩✏✒➃✯✖⑦✘✣⑧❩✮❅✘✟♦✻✏✩➛➜✜✑✏⑦✢✭➄④✘✗✍☎✞❅♦✚✘✟☛✂✠✌✞❅✍✣✜☎➥❅✄✎✠➝✘➒✁➜➦✣♦✚✞❅✠✌✘⑥✍✣✞✓✆✒✏⑦✠☞✄➠➢✯✆✒✞❅✄✎☛➝➄✣✠✌✞❅☛☞✞✡✁❹✦✧✞❅☛⑤✁✣✏⑥✞❅➛➜✜✑✏✒➃❅✖✒✘

✘✟✠✌✄

✄✝✁✑✏✒✢❾r

✦✧✠☞✏➧✆✒➙❅☛❸✍☎✞❅☛✌✦✧✏⑥✦✧✠☞✏✒✁✣☛✌q❪✘✒✠☞♦✩✏✒➃✯✖✒✘☎⑧✑✮❅✠☞✄✎✏✒♦✚✘✟☛❑✜✣♦⑥✏✚✠☞✞✡➄✣✠☞✞✡☛☞✞❅✁❹✦✧✏✒➃✯✖✒✘☎⑧✴✏✩➛➜✜✑✏✒✢✶➄④✞❅✠☞♦✚✄✝✦☞✞❘✘✟➀☎✦✧✞✡✠

✁✣✘➧✆✟✘✒☛✕✮❅✘✒✁❱➨✌✜✣✁❹✦✧✘✟☛✓✍✣✞✚☛☞✘✟✢✝✜✣➃❅➟❝✞❅☛✓✞➞♠☎✏⑦✦✧✏✒☛✓✞✩✮✡✘✟✁✣☛✌✦☞✠☞✜✣✄✝✠✓✏➇q❪✜✣✁☎➃✯✖✒✘➈✍✣✞✩✞➞✆✟✘✟✢✝✜✣➃✯✖⑦✘➈➄✑✏⑦✠✧✏❿✏➇✞❅➛➜✜✑✏⑦➃✯✖✒✘➈✍✣✞

➩⑤✢✎✞✡✄✎✁✗⑩s③❘✘✟✠✌✍✣✘✟✁⑨r♣➊❆✘✟♦✩✘✚✠☞✞✡☛☞✜✣✢★✦❺✏✒✍☎✘✣⑧❩✏✒➄✣✠✌✞❅☛☞✞✡✁❹✦❺✏✒♦✚✘✟☛❑✁✣✘➧✆✟✘✟☛✂✮❅✘✟✁❞➨✌✜✣✁❹✦✧✘✟☛➝✍✣✞❘☛☞✘✟✢✝✜✣➃❅➟❝✞❅☛✡⑧❩✞❅☛✌✦✧✏✒✮❅✄✝✘✟✁✑➢✒✠✌✄➠✏✒☛

✞❛✁✑✖⑦✘⑦⑩✥✞✡☛✌✦❺✏⑦✮❅✄✎✘✒✁✑➢✒✠☞✄✎✏✒☛❅⑧❩➄✑✏⑦✠✧✏⑥✘➒➄☎✠☞✘✟➀✣✢✝✞❅♦✩✏✩✞✡♦✻✜☎♦➫✮❅✏✒♦✩➄④✘⑥♦✩✏

✁☎➙✡✦✧✄✝✮❅✘✩✮❅✘✟✁✣☛➉✦❺✏✒✁❹✦☞✞❁✞✕✜✣✁✣✄★q❪✘✟✠☞♦✚✞✓✞❁✏

✮❅✘✒♦❛➀✣✄✎✁✣✏✒➃✯✖✒✘❁✍☎✞❅☛✌✦☞✞✫✮❅✏✒♦✚➄➡✘➅✮❅✘✒♦➭✜✣♦➯✮❅✏✒♦✚➄➡✘➅✞❅✢✝➙✡✦☞✠☞✄✎✮✡✘❁✢✎✘✟✁

(3)

➼②✞✕✍✣✞✡♦✩✘✟✁☎☛✌✦✧✠☞✏⑦✦✧✞✓↕✣✘➧➽➾✘✟✁✣✞✫✮✯✏✒✁➈✍✣✞❅☛✌✮❅✠✌✄✎➀④✞✕✞➞♠✗➄✣✢✝✄✎✮✡✄✝✦✧✢★➚⑥✦☞↕✣✞✕➄✣✠✌✞❅☛✌✞❅✁❹✦❘✏✒✠✌➀✣✄✝✦☞✠✧✏✒✠✌✄✎✁✣✞✡☛☞☛❑✄✎✁➈☛☞✘✟✢✝✜☎✦✧✄✝✘✟✁✣☛❑✘✒q

✠☞✞✡✢➠✏⑦✦☞✄✝✆❝✄✎☛➉✦✧✄✝✮⑥➽■✏✯✆✒✞➪✞❅➛➜✜✑✏⑦✦☞✄✎✘✟✁☎☛✩✄✝✁➶✞➹♠✗✦☞✞❅✠✌✁✑✏✒✢➝✞❅✢✎✞✡✮✡✦☞✠☞✘✟♦✩✏

✁✣✞➞✦✧✄✝✮➒➘✑✞❅✢✝✍✣☛✩✘⑦q⑤☛☞➄④✞❅✮✡✄➠✏✒✢■q❪✘✟✠✌♦➈r➶➁➴↕✣✄✎☛✩✏✒✠s⑩

➀✣✄★✦✧✠✧✏⑦✠☞✄✎✁☎✞❅☛☞☛❁✄✝☛❁✮❅✘✟✁☎✁✣✞❅✮➞✦✧✞❅✍❶✦✧✘➷✦✧↕✣✞➇✞➹♠☎✄✝☛✌✦☞✞❅✁✣✮✡✞➈✘✒q✇✏➪✦✧✠☞✏✒✁✣☛✌q❪✘✒✠☞♦✩✏⑦✦✧✄✝✘✟✁⑨⑧♥➽❑↕✣✄✝✮❺↕❴✠☞✞✡✍✣✜✣✮✡✞❅☛✚✞✡➬➡✞❅✮✡✦☞✄✝✆✒✞❅✢✝➚

✦✧↕☎✞❁✁❝✜☎♦❛➀➡✞✡✠❸✘✒q✉✆⑦✏✒✠☞✄✎✏✒➀✣✢✝✞❅☛✇✄✝✁❿✦✧↕☎✞❁✄✎✁✣✄★✦✧✄➠✏⑦✢✴✞❅➛➜✜✑✏⑦✦☞✄✎✘✟✁✣☛✡r✫➁➴↕☎✞❅✁❖➽❆✞❁✜☎☛☞✞❛✦✧↕☎✞❁✮❅✘✟✠✌✠☞✞❅☛✌➄➡✘✒✁✣✍✣✄✎✁

✠☞✞❅➄☎✠☞✞❅☛s⑩

✞❅✁❹✦✧✏⑦✦✧✄✝✘✟✁✣☛✫✦☞✘➪✮❅✘✒✁✣☛✌✦☞✠☞✜✣✮➞✦❁✁✣✞✡➽✽☛✌✞✡✦✧☛❁✘⑦q❑✞➞♠☎✏✒✮✡✦❛☛☞✘✟✢✝✜☎✦✧✄✝✘✟✁✣☛❅⑧✶➽❑↕✣✄✎✮❺↕↔♦⑥✏✯➚➮↕✑✏✯✆✟✞➇✏❿➄☎↕➜➚❝☛✌✄✎✮✯✏⑦✢❆✄✎✁❹✦☞✞❅✠☞✞✡☛✌✦❅⑧

✏✒✁✣✍➷✦✧✘✿✮❅✘✒✁✣☛✌✦☞✠☞✜✣✮➞✦✕✦✧↕☎✞✚✞➞✆✟✘✟✢✝✜☎✦✧✄✝✘✟✁➷q❪✜✣✁✣✮✡✦☞✄✎✘✟✁➷✦✧✘➇✦✧↕☎✞✩➩⑤✢✝✞❅✄✎✁❝⑩➉③⑤✘✟✠☞✍✣✘✒✁❖✞❅➛➜✜✑✏⑦✦☞✄✎✘✟✁⑨r ➍ ☛✓✠☞✞✡☛☞✜✣✢★✦✧✞✡✍⑨⑧✶➽❼✞

➄✣✠✌✞❅☛☞✞✡✁❹✦✇✁✣✞➞➽➱☛✌✞✡✦✧☛➝✘✒q✭☛✌✦✧✏⑦✦✧✄✝✘✟✁✑✏✒✠➉➚✹✏✒✁✣✍➇✁✣✘✒✁✣☛✌✦✧✏⑦✦✧✄✝✘✟✁✑✏✒✠➉➚➒☛☞✘✒✢✎✜☎✦☞✄✎✘✟✁✣☛❆✄✎✁➇♦⑥✏

✁✣✞✡✦☞✄✎✮✇➘✣✞❅✢✎✍✿✏✒✁☎✍➈✄✝✁✿☛✌✘✟♦✚✞

☛☞✜☎➄➡✞✡✠☞➄④✘✟☛☞✄★✦✧✄✎✘✒✁✣☛➴✘✒q✭✞❅✢✎✞✡✮✡✦☞✠☞✄✎✮❘✏⑦✁✣✍➈♦✩✏

(4)

Ô④❭➡❜✯Õ➮✃✹❳❩Ö✛❬❪❵✗❢❑❡❁❳❩❢✐❣✛❬❪❭④❥✯❥➧❬☞Ó

×✚❬❪❥❞❳❒❣✭❵➮❫❁Ø❩❜➧❜➧❬❾❳❶❡❛❳❩❢❤❣✭❬✐❭❩❥✯❥❞❬

❵➡Ó✭❵❝❜➧Ò♣❵❝❐❝❬❤❳❩❢❤ÏÐ❵❝ÖÙ❥➧❵➡Ó❃❳❩❭ÐÏÐ❵❝ÑÚ❬✐❨✯Ï❶Û❩❭

Ô❩❭Ù❜✯Õ➷❫➅❳❩❨✯❢❪❭Ù❜✹❡❁❳❩❢✐❣✛❬❪❭④❥✯❥➧❬☞Ü

❷Ý❦❆✄✝✁✣Þ✟♦✚✄✎✘✕✍☎✞✫➂➝✞✡➽➴✦☞✘✟✁❿➙⑤✦❺✖⑦✘❁➀➡✞✡✢✎✘➅✮❅✘✟♦✚✘✚✏❛ß❸➌❅✁➜✜✣☛➝✍✣✞✫①➈✄✝✢✎✘✣r

❷à➛➜✜✣✞✓↕✑➢❁➙❘➄➡✘✒✜✣✮✯✏

✞❅✁❹✦☞✞✓➄✣✏✒✠✧✏❁✍✑✏✒✠❑➄④✘✟✠➴✄✎☛✌☛☞✘✣r

(5)

✘➅♦✩✞✡✜✹✘✟✠☞✄✝✞❅✁❹✦❺✏⑦✍✣✘✟✠❅⑧☎✙♣✠☞✘✒qsr✉t✇✠✡r✉t✇♦✚✄✝✦✧✠✌✄✴①②r✑③❘✄★✦✧♦✩✏✒✁⑨ô❝✏✒✘➅✙♣✠☞✘✒qsr✉t✂✠❅r♣ß❛rõ③➅r☎❦■✏

✠✌✘➧✆➒✞❘✏✕✦✧✘❝✍✣✘✟☛❆✘✟☛

➄✣✠✌✘✒q❪✞❅☛✌☛☞✘✟✠✌✞❅☛➝✍✣✘➅✤✥✁✣☛✌✦☞✄✝✦✧✜✗✦✧✘✚✍✣✞✓✪✛✬✎☛✌✄✎✮✯✏❛✍✣✏✚✇✔☎✙❴➛➜✜✣✞✓✮❅✘✟✁❹✦☞✠☞✄✎➀☎✜✣✬✎✠☞✏✒♦➤➄✣✏✒✠✧✏➅✏➅♦✩✄✝✁✣↕✑✏✕q❪✘✟✠✌♦⑥✏✒➃❅✖✒✘✣r

✘✟☛❑♦✩✞✡♦❛➀✣✠✌✘✟☛➴✍✑✏➅➀✑✏✒✁✣✮❅✏☎r

➍ ✘✫❻✒✘❹✖✒✘✓ö✴✜✣✄✎☛✉①✿✞❅✢✎✘✒✁✣✄ ➍ ☛✌☛☞✄✝✠✧✏⑦✦☞✄❾⑧✟✮✡✜❱➨☞✏⑤✮❅✘✟✁❹✦✧✠✌✄✎➀✣✜☎✄✎➃✯✖⑦✘⑤✞❅♦Ý♦✚✄✎✁☎↕✑✏✇✮✯✏⑦✠☞✠☞✞✡✄✎✠☞✏✇q❪✘✟✄✣✁✑✏✒✍✣✏❘♦✚✞❅✁☎✘✟☛♣➛➜✜✣✞

✞❅☛✌☛☞✞✡✁✣✮❅✄✎✏✒✢❾r

➍❇÷

✘✗✍✣✠✌✄

✘❿✪✑✠☞✞❅☛✌✁✣✞❅✍✣✏☎⑧

✁✣✍☎✠☞✞❅✄➴✔✗♦✩✄✝✠☞✁✣✘➧✆➷✞➇➊■✏⑦✠☞✢✎✘✒☛➅①➈✘✟✢✝✄✎✁✑✏➇➄➡✘✒✠❛✍✣✄✎☛✌✮❅✜✣☛✌☛☞➟❝✞❅☛❁✞✡☛☞➄④✞❅✮❅✄✎✏✒✢✎♦✚✞❅✁❹✦☞✞

➦☎✦☞✞❅✄✎☛✡r

➍ ✘✟☛✚✄✎✁➜➦✣♦✚✞❅✠☞✘✒☛✩✏⑦♦✩✄

✘✟☛❛➛➜✜✣✞➇➘✑➥✿✁✣✘②✤s✪✛❸✔☎✙✶⑧✈✍☎✞❅✁❹✦✧✠✌✞➈✘✟☛✚➛➜✜✑✏✒✄✝☛

✘✟☛✌✦✧✏✒✠☞✄✎✏➷✍☎✞✿✍☎✞❅☛✌✦✧✏✒✮✯✏⑦✠❅⑧➴ö✴✜✣✄✝➥

❦❆✢✎✏✒✁✣✞❅☛✡⑧④①❿✏✒✠✌✮❅✞❅✢✝✘➅➁✛✏✒❽❱✏✒✠☞✏☎⑧✑✪♥➢⑦➀✣✄✎✘✚❻✒✘✟✠

✞⑤✞✫①❿✏✒☛☞✏➧➚❝✜✣❽➜✄✶ø✇✏⑦☛☞✞✒r

✘✟☛❑♦✩✞✡✜✣☛➝✏✒♦✚✄

✘✟☛➴➊■✏✒✠☞✢✝✘✟☛❑✙✭✞✡✍✣✠☞✘✚✍✑✏✩✔✗✄✎✢★✆✒✏✗⑧✣❻✒✜✣✢✝✄✎✘✚➊❆✞✡☛✧✏✒✠➝✍✣✞✓ö✴✄✎♦✩✏✕✞

÷

➙❅✠☞✄✝✘✚①➈✘✟✠✌✞❅✢✎✢✝✄❾r

ù

✙✉❧✈✔☎✙ú➄④✞❅✢✝✘❁☛☞✜✣➄④✘✟✠✌✦☞✞⑤➘✑✁✑✏✒✁✣✮✡✞❅✄✝✠☞✘✣r

ù

(6)

☎ ✆✞✝

➵➧➸❞➣✁✟✭➔✡✠☞☛✣➣

✌ r✌ ①➈✘➧✆❝✄✎♦✚✞❅✁❹✦✧✘➅✮❅✢✎➢✒☛☞☛✌✄✎✮✡✘✚✍☎✞✓✜☎♦⑥✏❛✮❅✏✒✠

✏➅✞❅♦➭✜✣♦➯✮✯✏⑦♦✩➄④✘❁♦⑥✏

✁✣➙✡✦☞✄✎✮✡✘❁✜✣✁✣✄✝q❪✘✒✠☞♦✚✞ r✓r❘r ✍

✌ rõ➎

☛❑✞❅➛➜✜✑✏⑦➃❅➟❝✞❅☛➝✍✣✞❘✘✟✁✣✍✑✏❁✠☞✞✡✢➠✏⑦✦☞✄✝✆❝✬✎☛➉✦✧✄✝✮✯✏✒☛✿r❘r✫r✓r✫r✓r✓r✫r✓r✫r✓r✓r✓r✓r✓r✫r✓r✫r✓r✓r✫r✓r❘r ✎

✌ rõ➎✗r✌

✞✡➛➜✜✑✏✒➃✯✖⑦✘✩✍✣✞✓➩⑤✢✎✞✡✄✎✁➇✞✓③⑤✘✟✠☞✍✣✘✒✁ r✓r✫r✓r✓r✫r✓r✫r✓r✓r✓r✓r✓r✫r✓r✫r✓r✓r✫r✓r❘r ✏

rõ➎✗r➎ ➍ ✞✡➛➜✜✑✏✒➃✯✖⑦✘✩✍✣✞✓t✇✄✝✠✧✏✒✮❖r✓r✓r✫r✓r❘r✫r✓r✫r✓r✓r✫r✓r✫r✓r✓r✓r✓r✓r✫r✓r✫r✓r✓r✫r✓r❘r ✑

✒ ✓✕✔

➑➜➸❞➺✖✟✶➣❩➸❞➑❝➓✗✟❃➑❖➻✟➸✙✘✐➺✚✠☞☛✣➣②➑❿➺

✘✜✛⑨➔✡✘✣✢❪➺✖✠☞☛✣➣

☎✤✒

➎✗r✌

÷

✞✡➄✣✠☞✞✡☛☞✞✡✁➜✦✧✏✒➃✯✖⑦✘⑥✍✣✞❘☛☞✞✡♦✩✄✝♦✩✘✒♦✩✞✡✁➜✦☞✘ r✓r❘r✫r✓r✫r✓r✓r✫r✓r✫r✓r✓r✓r✓r✓r✫r✓r✫r✓r✓r✫r✓r❘r ✌ ✎

✥ ✦

➓✡➵➧➺✚✟✶➣④➓➅➑✗➓➞➵➧➺✑➻✧✘❪➣

✝✩★ ➸✙✘❪➣➡➓

☎✚✪

✍☎r

✪✑✘✟✠☞♦✩✏

✞✡✠✧✏✒✢✴✍✣✘✒☛➝✞✡☛✌✦✧✏✒✍✣✘✟☛❑✞❅☛➉✦❺✏✒✮✡✄✎✘✟✁✣➢✒✠☞✄✝✘✟☛↔r✓r✫r✓r✓r✫r✓r✫r✓r✓r✓r✓r✓r✫r✓r✫r✓r✓r✫r✓r❘r

✌✬✫

✍☎rõ➎ ➍ ✜☎✦☞✘✒q❪✜✣✁✣➃✡➟✗✞✡☛❑✍✣✘➅✘✟➄➡✞✡✠✧✏✒✍☎✘✟✠✮✭✰✯ r✓r✫r✓r❘r✫r✓r✫r✓r✓r✫r✓r✫r✓r✓r✓r✓r✓r✫r✓r✫r✓r✓r✫r✓r❘r✻➎✒➏

✍☎r✱✍ ✤✥✁❹✦✧✞❅✠✌➄✣✠☞✞➞✦❺✏✒➃❅✖✒✘✚✍✑✏❁✍✣✞

✞✡✁✣✞❅✠✌✞❅☛✌✮❅➌❅✁☎✮❅✄➠✏✩✁✑✏❁✞❅✁✣✞✡✠

✄✎✏ r✫r✓r✫r✓r✓r✓r✓r✓r✫r✓r✫r✓r✓r✫r✓r❘r✻➎

✍☎r✲✎ ❧♣☛✌✦❺✏⑦✍✣✘✟☛❑✮❅✘❝✞❅✠✌✞❅✁❹✦✧✞✡☛❶r✓r✓r✫r✓r✫r✓r✓r✫r✓r❘r✫r✓r✫r✓r✓r✫r✓r✫r✓r✓r✓r✓r✓r✫r✓r✫r✓r✓r✫r✓r❘r✻➎✟➎

✳ ✦

➓✡➵➧➺✚✟✶➣④➓

☛✣➣✚✴☞➑❝➓✡➵➧➺✑➻✧✘❪➣

✝✡★ ➸✙✘❪➣④➓

✒✶✵

✎✣r

✪✑✘✟✠☞♦✩✏

✞✡✠✧✏✒✢✴✍✣✘✒☛➝✞✡☛✌✦✧✏✒✍✣✘✟☛❑✁✑✖✒✘❱⑩✥✞❅☛➉✦❺✏✒✮✡✄✎✘✟✁✣➢✒✠☞✄✝✘✟☛ r✓r✫r✓r✫r✓r✓r✓r✓r✓r✫r✓r✫r✓r✓r✫r✓r❘r✻➎✸✷

✎✣rõ➎ ➍ ✜☎✦☞✘✒q❪✜✣✁✣➃✡➟✗✞✡☛❑✍✣✘➅✘✟➄➡✞✡✠✧✏✒✍☎✘✟✠✮✭✰✯ r✓r✫r✓r❘r✫r✓r✫r✓r✓r✫r✓r✫r✓r✓r✓r✓r✓r✫r✓r✫r✓r✓r✫r✓r❘r✹✍✧✏

✎✣r✱✍ ö✴✄✎♦✚✄✝✦✧✞✂➄✑✏✒✠☞✏➅✮❅✏✒♦✚➄➡✘✟☛➴♦✩✏

✁☎➙✡✦✧✄✝✮❅✘✟☛❆✁❝✜☎✢✎✘✟☛❖r✓r✫r✓r✓r✫r✓r✫r✓r✓r✓r✓r✓r✫r✓r✫r✓r✓r✫r✓r❘r✹✍ ✫

✺ ✻ ➺✑→ ✔ ➣④➓✼✢❪➣ ✝✡✽ ✘➵❞➔✡✟✾✘✝ ➺✚✘❤➓ ✳❀✿

✏✗r

✔✗✘✟✢✝✜✣➃❅➟❝✞❅☛➴✍✑✏❁✞✡➛❝✜✣✏✒➃✯✖✒✘✩✍✣✞✓➩⑤✢✎✞❅✄✝✁✗⑩➉③⑤✘✟✠✌✍✣✘✟✁úr✓r✫r✓r✓r✫r✓r✫r✓r✓r✓r✓r✓r✫r✓r✫r✓r✓r✫r✓r❘r❁✎

(7)

❂ ➲❄❃ ➔ ✝ ✠☞☛✣➣❅✟❃➑❿➑✧❆④➣❀✢✐➔✡✠☞☛✣➣ ✳❇✺

r

➍ q❪✜✣✁✣➃❅✖✒✘✩✍☎✞✓✞➞✆✟✘✟✢✝✜✣➃✯✖⑦✘✚✞✓✏❁✠☞✞✡➄✣✠☞✞✡☛☞✞✡✁➜✦✧✏✒➃✯✖⑦✘➒✍✣✞❘☛☞✞✡♦✩✄✝♦✩✘✟♦✚✞❅✁❹✦☞✘ r✓r✫r✓r✫r✓r✓r✫r✓r❘r❁✎

✪ ✻

➻✧✢✐➔✭➓✞☛☎➣

✺✶✒

➲ ➐➒➑❉✢✐➺✚✠☞❊⑨➑❝➓❋✟❃➑❖➻✟➣④→

✢✐➑❹➵➧➑❍●❹➺❖➑➈➣④➸➧➵➧➣

➺✚✢✣✘✜✟✶➺✚✟✶➑

✺✖✳

■ ❏❸➑❝➻❹➔✾✢✜✘❪➺✣➸✙✘✣✟❃➺✖✟❃➑✗➓

➺❑✘

➵➧➑

➸❞➺✖✠☞☛✣➣▲✟❃➑ú➑❉✛⑨➔❃➺✖✠☞❊⑨➑❝➓▼✟✡✘ ❃ ➑➜➸❱➑

➻✧✘✐➺✚✘❤➓◆✢✜✘

➑➜➺✣➸❞➑✗➓➷➻✟➣④→ ➓❖✘P✴

(8)

ü

❨❝❜❬❫

ý

❩❪❞❅❡❢❫

➍ ✍✣✞✡☛☞✮✡✠☞✄✎➃❅✖✒✘➅✍✣✘❁♦✚✘❞✆❝✄✝♦✩✞✡✁➜✦☞✘❛✍✣✞⑤✜✣♦✩✏❛✮✯✏⑦✠

✏❛✞✡✢✎➙✡✦☞✠☞✄✝✮✯✏✕✞✡♦➭✜✣♦➤✮✯✏✒♦✚➄➡✘✕✞❅✢✎✞➞✦✧✠✌✘✟♦⑥✏

✁✣➙✡✦☞✄✎✮✡✘✕✞➞♠❝✦☞✞❅✠☞✁☎✘✣⑧

✢✎✞➞✆⑦✏✒✁✣✍✣✘✩✞❅♦✻✮❅✘✟✁❹✦❺✏➒✞➞q❪✞❅✄★✦✧✘✟☛➝✠☞✞✡✢➠✏⑦✦☞✄✝✆❝✬✎☛➉✦✧✄✎✮✡✘✟☛❅⑧❩➄④✘✗✍☎✞✕☛☞✞✡✠❸✘✟➀☎✦☞✄✎✍✑✏✩✏⑦✦✧✠☞✏✯✆✟➙❅☛✇✍✑✏✒☛❸✞✡➛❝✜✣✏✒➃❅➟❝✞❅☛❸✍☎✞❛✘✟✁✣✍✑✏✩✍✣✞

t✇✄✝✠✧✏✒✮❑✞❑✍✣✞✂➩❘✢✝✞❅✄✝✁✗⑩➉③⑤✘✟✠☞✍☎✘✟✁⑨r✶❧♣☛✌✦❺✏⑦☛❆✞❅➛➜✜✑✏⑦➃❅➟❝✞❅☛✉q❪✘✟✠☞✁✣✞✡✮❅✞✡♦ ✏✓➀✑✏⑦☛☞✞➝✍✑✏✓♦✚✞❅✮✞❣✒✁✣✄✝✮✯✏❘➛❝✜✚❣✒✁❹✦✧✄✎✮❅✏✓✠✌✞❅✢✎✏⑦✦✧✄★✆✗✬✝☛➉⑩

✦✧✄✝✮✯✏✕✞✇✍✑✏✕✞❅✢✝✞✡✦☞✠☞✘❝✍✣✄✎✁✖❣⑦♦✩✄✝✮✯✏❘➛❝✜✚❣✒✁❹✦✧✄✎✮❅✏✕➄✑✏✒✠☞✏❛➄✑✏✒✠➉✦✧✬✎✮✡✜✣✢➠✏⑦☛❼✞✡☛☞➄✣✄✝✁✣✘✟✠☞✄✎✏✒✄✎☛✈✞❸✞✡☛☞✮✯✏⑦✢➠✏✒✠✌✞❅☛✐❤

✌✞❥

r✉➂✇✏✕♦✚✞❅✮✞❣✒✁✣✄✎✮❅✏

➛➜✜✖❣✒✁❹✦✧✄✝✮✯✏➝✠☞✞❅✢✎✏⑦✦✧✄★✆❝✬✎☛✌✦☞✄✎✮❅✏☎⑧➧✞❅☛➉✦❺✏✒☛✭✞❅➛➜✜✑✏✒➃✡➟✗✞✡☛✛q❪✘✟✠☞✁☎✞❅✮❅✞✡♦à✏❑q❪✜✣✁☎➃✯✖✒✘✂✍✣✞❆✘✟✁☎✍✑✏✂✍✣✞✈✜✣♦✩✏✂➄✑✏⑦✠✌✦✧✬✝✮❅✜✣✢✎✏☎⑧❞✄❾r✞✒⑧❱✍✣✞❅☛s⑩

✮❅✠✌✞✡✆✒✞❅♦ ✘✫♦✚✘➧✆❝✄✎♦✚✞❅✁❹✦✧✘❘✍✣✞➝✜✣♦ q❪✞❅✠✌♦✩✄✝✘✟✁➅✘✟✜✚✜✣♦ ➀❀❦✒☛☞✘✟✁✚✞❅♦ ✜✣♦ ✮❅✏✒♦✚➄➡✘❘✞❅✢✝✞✡✦☞✠☞✘✟♦✩✏

✁✣➙➞✦✧✄✝✮❅✘⑤✞➞♠❝✦☞✞❅✠☞✁☎✘✣r

❻✟➢✩✁✣✏✩✞❅✢✝✞✡✦☞✠☞✘❝✍✣✄✎✁✖❣⑦♦✩✄✝✮✯✏✕➛➜✜✖❣✒✁❹✦☞✄✎✮✯✏✗⑧Ù✏✒☛➝☛☞✘✒✢✎✜✣➃✡➟✗✞✡☛✂✍✣✞✡☛✌✦✧✏✒☛✇✞✡➛❝✜✣✏✒➃❅➟❝✞❅☛✂➄➡✞✡✠☞♦✚✄✝✦✧✞✡♦➯✘⑥✍☎✞❅☛☞✞✡✁❹✆✟✘✟✢★✆✗✄✝♦✩✞✡✁❹✦✧✘

✍✣✞⑤✜✣♦✩✏❛✞➞♠✗➄✑✏⑦✁✣☛✧✖✒✘➅➄④✞❅✠➉✦✧✜✣✠✌➀✑✏⑦✦✧✄★✆⑦✏☎⑧☎✮✡✘✟✁✣↕✣✞✡✮❅✄✎✍✣✏➅✮✡✘✟♦✚✘❁✠☞✞❅➄☎✠☞✞❅☛✌✞❅✁❹✦❺✏⑦➃✯✖✒✘✚✍✣✞❘✪✑✜✣✠☞✠➉➚✟⑧✑✏❛➛➜✜✑✏⑦✢⑨✄✎✁✣✮✡✘✟✠☞➄④✘✟✠☞✏

✏❿✄✝✁➜✦☞✞❅✠☞✏✒➃✯✖✒✘❿✮❅✘✟♦ ✘➪✮❅✏✒♦✩➄④✘➪✞➹♠✗✦☞✞❅✠✌✁✣✘❖✍✣✞⑥q❪✘✟✠✌♦⑥✏✿✞➞♠☎✏⑦✦✧✏☎⑧♥✞❅✁☎➛❝✜✣✏✒✁❹✦✧✘❖✦✧✠☞✏⑦✦❺✏✿➄➡✞✡✠✌✦✧✜☎✠☞➀✑✏⑦✦☞✄✝✆⑦✏✒♦✚✞❅✁❹✦✧✞⑥✏

✄✎✁❹✦☞✞❅✠✧✏⑦➃✯✖✒✘✓✮❅✘✟♦Ý✘✫✮❅✏✒♦✩➄④✘✓✞❅✢✎✞➞✦✧✠✌✘✟♦⑥✏

✁✣➙✡✦☞✄✎✮✡✘⑤➛❝✜✣✏✒✁❹✦✧✄✎➥❅✏✒✍✣✘✼❤õ➎ ❥ r♣❧♣♦ ✞✡☛☞➄④✞❅✮❅✄✎✏✒✢❾⑧✟✦☞✘✗✍☎✘✟☛✉✘✟☛❼➄☎✠☞✘✟➄✑✏

✏✒✍✣✘⑦⑩

✠☞✞✡☛❅⑧⑨✘✒✜➪☛☞✞✥➨☞✏☎⑧⑨✏✒☛✂✆✒➢⑦✠☞✄➠✏⑦☛➝q❪✜✣✁☎➃❅➟❝✞❅☛❸✍✣✞❁③❘✠✌✞❅✞❅✁Ù⑧Ù☛✧✖⑦✘➒✮❅✘✟✁☎☛✌✦✧✠✌✜✣✬✎✍☎✘✟☛❸✍✣✞✫✮❅✞❅✠➉✦❺✏⑥q❪✘✟✠✌♦⑥✏✚✜✣☛✧✏⑦✁✣✍✣✘➒☛✌✘✟✢✎✜✣➃✡➟✗✞✡☛

✞➞♠☎✏⑦✦✧✏✒☛❑✍✑✏➅✞❅➛➜✜✑✏✒➃❅✖✒✘✩✍☎✞✫t✂✄✎✠✧✏⑦✮⑤✞✓✍☎✞✫➩⑤✢✝✞❅✄✎✁❝⑩➉③⑤✘✟✠☞✍✣✘✒✁⑨r

✪✛✄✎☛✌✄✎✮❅✏✒♦✩✞✡✁❹✦✧✞✒⑧☎✏✒☛➴☛☞✘✒✢✎✜✣➃✡➟✗✞✡☛➴✞➞♠☎✏⑦✦❺✏⑦☛➝✮✡✘✟✁✣↕✣✞✡✮❅✄✝✍✑✏✒☛➴♦✩✏✒✄✎☛❼✄✎♦✚➄➡✘✟✠➉✦❺✏✒✁❹✦☞✞❅☛■✍✑✏⑦☛➴✞❅➛➜✜✑✏✒➃✡➟✗✞✡☛➝✍☎✞✫t✂✄✎✠✧✏⑦✮❸✞

✍✣✞⑥➩❘✢✝✞❅✄✝✁✗⑩➉③⑤✘✟✠☞✍☎✘✟✁❖☛✧✖✒✘♠❧❛➄✑✏✒✠☞✏➈✘✿✮✯✏✒♦✚➄➡✘➈✮❅✘✟✜☎✢✎✘✟♦❛➀☎✄➠✏✒✁✣✘☎⑧✴✘❿✮✯✏⑦♦✩➄④✘➈♦✩✏

✁☎➙✡✦✧✄✝✮❅✘✿✜✣✁✣✄★q❪✘✟✠☞♦✚✞✒⑧❃✘✟✁✣✍✣✏✒☛

➄✣✢✎✏✒✁✑✏✒☛✡⑧⑦♦✚✘✟✁✣✘✟➄✶❦✟✢✝✘✟☛✴♦⑥✏

✁✣➙✡✦☞✄✎✮✡✘✟☛❅⑧❞✘✟✁✣✍✣✏✒☛✭➄☎✢➠✏✒✁✑✏⑦☛✶✮✡✘✟♦❛➀✣✄✝✁✑✏✒✍✑✏⑦☛✶✮✡✘✟♦ ✮✯✏⑦♦✩➄④✘✟☛✶✞❅✢✎➙➞✦✧✠✌✄✎✮❅✘❑✞✈♦⑥✏

✁✣➙✡✦☞✄✎✮✡✘

✜✣✁✣✄★q❪✘✟✠☞♦✚✞❅☛❼➄✑✏✒✠☞✏✒✢✎✞✡✢✎✘✟☛♦♥✕✍✣✄✝✠☞✞❅➃❅✖✒✘❛✍✣✞✇➄✣✠☞✘✟➄✣✏

✏✒➃❅✖✒✘✣⑧☎✮❅✏✒♦✚➄➡✘✟☛❼✮❅✠✌✜✣➥✯✏✒✍☎✘✟☛❅⑧✣✞❸✏✒✢

✜☎✁✣☛❆✮❅✏✒♦✩➄④✘✟☛❼✞❅✢✎➙➞✦✧✠✌✄✎✮❅✘✒☛

✞❅♦➭✜✣♦⑥✏❁✍✣✄✝♦✩✞✡✁✣☛✧✖⑦✘✣r♣✂♦✩✏❁✠☞✞➞✆✗✄✝☛✧✖✒✘➅✮✡✘✟♦✩➄☎✢✎✞✡✦✧✏❁✍✣✞❅☛➉✦❺✏✒☛❑☛☞✘✒✢✎✜✣➃✡➟✗✞✡☛➝➄④✘❝✍✣✞⑤☛☞✞✡✠✂✞✡✁✣✮❅✘✟✁❹✦☞✠✧✏✒✍✑✏➅✞❅♦♣❤✲✎

r

➂✂✘❘✮✯✏⑦☛☞✘

(9)

✠☞✄✝✞❅✍✑✏⑦✍✣✞✩✁✣✏✿☛✌✘✟✢✎✜✣➃❅✖✒✘✿✍✣✘❿➄✣✠✌✘✟➀✣✢✝✞❅♦✩✏➇✍☎✞⑥✏✒✜✗✦✧✘➧✆⑦✏✒✢✎✘✟✠✌✞❅☛❘➄✑✏✒✠☞✏➈✞✡☛✌✦❺✏✿✞❅➛➜✜✑✏✒➃❅✖✒✘✣r➇✙✶✘✗✍✣✞✚✘❝✮❅✘✟✠✌✠☞✞❅✠✓✏✒✄✝✁✣✍✑✏☎⑧

✍✣✞✡☛✌✦❺✏➇✏✒✠✌➀✣✄✝✦☞✠✧✏✒✠✌✄✎✞✡✍✑✏✒✍✣✞✓✞❅☛➉✦❺✏✒✠⑤✠✌✞❅✢➠✏⑦✮❅✄✎✘✒✁✑✏✒✍✑✏✚✮❅✘✟♦➫✏➒✞➞♠✗✄✎☛➉✦✧➌✡✁✣✮❅✄✎✏➒✍✣✞❁✄✎✁☎➘✣✁✣✄✝✦☞✘✟☛✂✮✡✘✟✁❱➨✌✜✣✁❹✦☞✘✟☛⑤✮❅✘✟♦✚➄✣✢✝✞✡✦✧✘✒☛

✍✣✞❑☛☞✘✒✢✎✜✣➃✡➟✗✞✡☛❅r♣❧♣♦ ✏✒✢

✜✣✁✣☛♣✍✣✞✡☛✌✦☞✞❅☛✈✮✯✏✒☛✌✘✟☛❅⑧❝➄➡✘❝✍✣✞✡♦✩✘✟☛♣✮✡✘✟✁✣☛➉✦✧✠☞✜☎✄✎✠✉☛☞✘✟✢✝✜✣➃❅➟❝✞❅☛✉✘✟✁☎✍✣✞❑✞❅☛✌✦✧✏✫✏⑦✠☞➀✣✄★✦✧✠✧✏⑦✠☞✄✎✞✡✍✑✏✒✍✣✞

✞❅☛➉✦❺➢✓✞➞♠✗➄✣✢✎✬✝✮❅✄★✦❺✏❸✁✑✏⑤q❪✘✟✠☞♦✩✏❸✍✣✞➝✜✣♦✩✏⑤q❪✜☎✁✣➃✯✖✒✘✫✏✒✠✌➀✣✄✝✦☞✠✧➢✒✠✌✄➠✏☎⑧✟✘✒✜✩☛✌✞s➨☞✏☎⑧➜✁✣✞✡☛✌✦✧✞✂✮✯✏✒☛✌✘✟☛❅⑧❹✦☞✞❅♦✚✘✟☛✉✜✣♦⑥✏❘✏✒✠✌➀✣✄✝✦☞✠✧✏❱⑩

✠☞✄✝✞❅✍✑✏⑦✍✣✞✂q❪✜✣✁☎✮❅✄✎✘✒✁✑✏✒✢❾r♥❷➱➄✣✠☞✘✟➀☎✢✎✞❅♦✩✏❘✍✣✞❸✍✣✞✡☛☞✞❅✁❹✆✒✘✟✢✝✆✒✞❅✠❑✜✣♦ ♦✩➙➞✦✧✘❝✍✣✘✕✠✌✞

✜☎✢➠✏✒✠✡⑧✗➛➜✜✣✞❸➄④✞❅✠✌♦✩✄★✦❺✏❘✞➞♠✗➄✣✢✝✄✎✮❅✄★✦❺✏✒✠

✞❅☛➉✦❺✏✚✏✒✠☞➀☎✄✝✦✧✠☞✏✒✠☞✄✝✞❅✍✑✏⑦✍✣✞✒⑧✗➄✑✏✒✠☞✞✡✮❅✞❘✁✑✖✒✘➅✦✧✠✌✄✝✆❝✄➠✏⑦✢❾⑧❝✞❅☛☞➄④✞❅✮✡✄➠✏✒✢✝♦✩✞✡✁❹✦✧✞⑤✁✑✏❁➄✣✠✌✞❅☛☞✞✡✁✣➃✯✏✚✍✣✞❘✜✣♦➯✮❅✏✒♦✩➄④✘➅✞➞♠❝✦✧✞✡✠☞✁✣✘☎r

➂✂✞✡☛✌✦✧✞➒✦☞✠✧✏✒➀✣✏✒✢✎↕✣✘☎⑧♥✏✒➄✣✠✌✞❅☛✌✞❅✁❹✦❺✏✒✠✌✞❅♦✚✘✟☛❛✮✡✘✟♦✩✘❿➙⑥➄④✘✟☛☞☛✌✬✝✆✟✞✡✢■✞➞♠✗➄✣✢✝✄✎✮✡✄✝✦❺✏⑦✠✫✏➈➄✣✠☞✞✡☛☞✞❅✁☎➃✯✏❖✍✣✞❅☛➉✦❺✏❖✏✒✠✌➀✣✄✝✦☞✠✧✏❱⑩

✠☞✄✝✞❅✍✑✏⑦✍✣✞❿✁✑✏⑦☛➒☛☞✘✟✢✝✜✣➃❅➟❝✞❅☛⑥✍✑✏✒☛⑥✞✡➛➜✜✑✏✒➃❅➟❝✞❅☛✹✍☎✞➪✘✟✁✣✍✑✏②✠☞✞❅✢✎✏⑦✦✧✄★✆❝✬✎☛✌✦☞✄✎✮❅✏✒☛✩➄✣✏✒✠✧✏❒✏⑦✢

✜✣✁☎☛✩✦✧✄✝➄➡✘✒☛✩✍✣✞❿✮✯✏✒♦✚➄➡✘✒☛

✞➞♠❝✦☞✞❅✠☞✁☎✘✟☛❅⑧➴♦✩✏✒✄✎☛➅✞✡☛☞➄④✞❅✮❅✄★➘✑✮✯✏⑦♦✩✞✡✁➜✦☞✞✒⑧➴➄✑✏⑦✠✧✏➷✮✯✏✒♦✚➄➡✘✒☛✩♦✩✏

✁✣➙➞✦✧✄✝✮❅✘✟☛❁✜✣✁☎✄✝q❪✘✟✠✌♦✩✞✡☛✚✞➈✜✣♦✩✏➮✮✡✘✟♦❛➀✣✄✝✁✑✏✒➃✯✖⑦✘

✍✣✞✡☛✌✦✧✞➈✦✧✄✎➄④✘↔✍☎✞➪✮✯✏✒♦✚➄④✘↔✮❅✘✒♦ ✮❅✏✒♦✩➄④✘✟☛✚✞❅✢✝➙✡✦✧✠✌✄✎✮✡✘✟☛⑥✢✝✘✟✁

✄★✦✧✜✣✍✣✄✝✁✑✏✒✄✝☛❅r✲①➈✘✟☛➉✦✧✠☞✏✒✠☞✞✡♦✩✘✟☛✩➛➜✜✣✞➪✞❅☛➉✦❺✏Ð✏✒✠✌➀✣✄★⑩

✦✧✠☞✏✒✠☞✄✝✞❅✍✑✏⑦✍✣✞✕✞✡☛✌✦❺➢➒✮✡✘✟✁✣✞✡✮✡✦❺✏⑦✍✑✏➒✮❅✘✟♦➫✏⑥✞➹♠☎✄✝☛✌✦☞➌❅✁✣✮✡✄➠✏⑥✍✣✞✕✜✣♦⑥✏✚✦✧✠✧✏⑦✁✣☛✌q❪✘✟✠✌♦⑥✏⑦➃✯✖✒✘✣⑧④✮❅✘✒♦ ✏⑥➛➜✜✑✏⑦✢✛➄④✘✗✍✣✞✡♦✩✘✒☛

✠☞✞✡✍✣✜✣➥✡✄✎✠✈✘❛✁➜➦✣♦✩✞✡✠☞✘✫✍✣✞✂✆⑦✏✒✠✌✄➠➢✯✆✟✞✡✄✎☛✈✁✑✏✫✞✡➛❝✜✣✏✒➃✯✖✒✘❁✘✒✠☞✄

✄✎✁✑✏✒✢➒➊❆✘✟♦ ✞❅☛➉✦❺✏✫✦☞✠✧✏✒✁✣☛➉q❪✘✟✠☞♦✩✏✒➃❅✖✒✘✫✘✒➀☎✦✧✞✡♦✩✘✟☛✈✜✣♦✩✏

✁✣✘➧✆⑦✏❖✠☞✞❅➄☎✠☞✞❅☛✌✞❅✁❹✦❺✏⑦➃✯✖✒✘✣⑧❆✏❖➛❝✜✣✏✒✢■✮❺↕✑✏✒♦✩✏✒✠✌✞❅♦✚✘✟☛❁✠☞✞✡➄✣✠☞✞✡☛☞✞❅✁❹✦✧✏✒➃✯✖✒✘➮✍✣✞➇☛☞✞✡♦✩✄✝♦✩✘✒♦✩✞✡✁➜✦☞✘✣⑧♥✞➇✮❅✘✒♦ ✞❅✢✎✏➪➄➡✘❱⑩

✍✣✞✡✠☞✞❅♦✚✘✟☛✫✮❅✘✟✁✣☛➉✦✧✠✌✜✣✄✎✠✫✁✣✘➧✆✟✘✟☛❁✮✡✘✟✁❱➨✌✜✣✁❹✦✧✘✒☛❛✍✣✞⑥☛✌✘✟✢✎✜☎➃❅➟❝✞❅☛❛✞➹♠✣✏❱✦❺✏✒☛✡r➪➁✭✘❝✍✣✘➪✘✿✦✧✠☞✏✒➀✑✏✒✢✝↕✣✘❿➙➒✍☎✞❅☛☞✞✡✁❹✆✟✘✟✢★✆✗✄✝✍✣✘

✍✣✞✓q❪✘✟✠☞♦✩✏✩✏➅✦✧✞✡✠☞♦✚✘✟☛✂✜☎♦➯✦✧✠✧✏❱✦❺✏✒♦✚✞❅✁❹✦✧✘✩➄✣✠✧✏❱✦✧✄✎✮❅✏✒♦✚✞❅✁❹✦✧✞❘✄✎✍☎➌❅✁❹✦✧✄✝✮❅✘⑥➄✣✏✒✠✧✏✩✏✒☛✂✞✡➛➜✜✑✏✒➃❅➟❝✞❅☛✇✍✣✞❛t✇✄✝✠✧✏✒✮❘✞✫✍✣✞

➩⑤✢✎✞✡✄✎✁✗⑩s③❘✘✟✠✌✍✣✘✟♦✿⑧➜✘✟✜➇☛☞✞s➨☞✏✗⑧✑✘✟☛➴✞❅☛✌➄✣✄✎✁✣✘✒✠☞✞❅☛✡⑧✑☛☞✘✟✢✝✜✣➃❅➟❝✞❅☛➴✍✣✏✚✞✡➛❝✜✣✏✒➃✯✖✒✘➅✍✣✞✓t✇✄✝✠✧✏✒✮⑦⑧✣☛✧✖⑦✘✚✮✡✘✟✁✣☛➉✦✧✠☞✜☎✬✎✍✣✘✟☛➝✏⑦✦☞✠✧✏❱⑩

✆✟➙✡☛❁✍✑✏✒☛✫☛☞✘✟✢✝✜✣➃❅➟❝✞❅☛✫✞❅☛☞✮❅✏✒✢➠✏⑦✠☞✞❅☛✕✍✑✏❿✞❅➛➜✜✑✏⑦➃✯✖✒✘❖✍✣✞⑥➩⑤✢✎✞❅✄✝✁✗⑩➉③⑤✘✟✠✌✍✣✘✟✁⑨r➇✤✥✁✣✄✝✮❅✄➠✏⑦✢✎♦✚✞❅✁❹✦✧✞⑦⑧✭✍✣✘❿✮✯✏✒➄✣✬★✦✧✜✣✢✝✘➪➎➈✏✒✘

✎✣⑧✣✮✡✘✟✁✣☛✌✄✎✍✣✞✡✠✧✏✒✠✌✞❅♦✚✘✟☛❑✞❅➛➜✜✑✏✒➃✡➟✗✞✡☛✂✠✌✞❅✢➠✏❱✦✧✄✝✆❝✬✝☛✌✦✧✄✝✮✯✏✒☛❼✞❅♦➯✜☎♦➯✮✯✏✒♦✚➄④✘❁♦⑥✏

✁✣➙✡✦☞✄✎✮❅✘❁✮✡✘✟✁✣☛➉✦❺✏✒✁❹✦✧✞✓✞❘✜✣✁✣✄★q❪✘✟✠☞♦✚✞✒r

➂✂✞✡☛✌✦☞✞✂✮❅✏✒☛☞✘✣⑧❝✏✒☛♣☛✌✘✟✢✎✜☎➃❅➟❝✞❅☛✉✞➞♠☎✏⑦✦✧✏✒☛✉✘✟➀☎✦✧✄✝✍✑✏✒☛✡⑧❹✜✣☛✧✏✒✁☎✍✣✘✕✏⑤✠✌✞❅➄✣✠✌✞❅☛☞✞✡✁❹✦❺✏✒➃❅✖✒✘❛✍✣✞❑☛☞✞✡♦✩✄✝♦✩✘✒♦✩✞✡✁➜✦☞✘✣⑧✒➄④✘✟☛✌☛☞✜✣✞✡♦

✜✣♦✩✏➒✏✒✠✌➀✣✄✝✦☞✠✧✏✒✠✌✄✎✞❅✍✣✏✒✍✣✞✫q❪✜☎✁✣✮❅✄✝✘✟✁✑✏✒✢✶✞➞♠✗➄✣✢✝✬✎✮❅✄★✦❺✏☎⑧➡✘✟✜❖☛☞✞✥➨☞✏☎⑧✴✏✒☛✇☛☞✘✟✢✝✜✣➃❅➟❝✞❅☛❘✏✒➄☎✠☞✞❅☛✌✞❅✁❹✦❺✏⑦♦ ✜✣♦✩✏✩q❪✜✣✁✣➃❅✖✒✘➇➛➜✜✣✞

➄④✘✗✍✣✞➴☛✌✞❅✠✉✞❅☛✌✮❅✘✟✢✝↕✣✄✎✍✣✏✓✏⑦✠☞➀✣✄★✦✧✠✧✏⑦✠☞✄➠✏⑦♦✩✞✡✁➜✦☞✞✒r ➍ ✦✧✠☞✏✯✆✟➙❅☛❼✍✣✞❑✞❅☛✌✮❅✘✟✢✝↕✑✏✒☛✈✏✒➄✣✠✌✘✟➄✣✠☞✄✎✏✒✍✑✏✒☛✛✍✣✞❅☛➉✦❺✏⑤q❪✜✣✁✣➃✯✖⑦✘✣⑧➜✘✟➀☎✦✧✞✡✠☞✞➹⑩

♦✚✘✟☛❑✁✑✖✒✘✚☛s❦✩✏✒☛❑☛☞✘✟✢✝✜✣➃❅➟❝✞❅☛➝✮❅✘✟✁☎↕✣✞❅✮✡✄✎✍✑✏✒☛✂✏⑦✦☞✜✑✏✒✢✎♦✚✞❅✁❹✦☞✞✒⑧✣✮✡✘✟♦✩✘✚✁✣✘➧✆✟✘✒☛✂✮✡✘✟✁❱➨✌✜✣✁❹✦✧✘✒☛✂✍✣✞✓☛☞✘✒✢✎✜✣➃✡➟✗✞✡☛❅r❼❧✉✁❹✦☞✠☞✞

✘✟☛⑤✁✣✘➧✆✒✘✟☛❘✮❅✘✟✁❱➨✌✜☎✁➜✦☞✘✟☛❘✍✣✞❁☛☞✘✒✢✎✜✣➃✡➟✗✞✡☛⑤✞❅✁✣✮✡✘✟✁❹✦✧✠✧✏⑦✠☞✞❅♦✚✘✟☛t❧⑤☛☞✘✟✢✝✜✣➃❅➟❝✞❅☛⑤✞✡☛✌✦❺✏⑦✮❅✄✎✘✒✁✑➢✒✠☞✄✎✏✒☛❅⑧Ù✞❅☛✌✦✧✏✒✍✣✘✟☛❘✮✡✘✗✞✡✠☞✞❅✁❹✦☞✞❅☛

✞✡✁✣✞❅✠☞✏✒✢✎✄✝➥✯✏✒✍✣✘✒☛✂✞❛✘✒✜☎✦✧✠☞✏✒☛✇☛✌✘✟✢✎✜✣➃✡➟✗✞✡☛✇✁✑✖⑦✘⑦⑩✥✞✡☛✌✦❺✏⑦✮❅✄✎✘✒✁✑➢✒✠☞✄✎✏✒☛❅r➝❧♣♦✻☛☞✞

✜✣✄✎✍✑✏✗⑧Ù✁✣✘➒✮❅✏✒➄✣✬★✦✧✜✣✢✝✘✉✏✗⑧➡✮❅✘✟✁☎☛☞✄✎✍☎✞❅✠✧✏❞⑩

✠☞✞✡♦✩✘✒☛➴✏❁✮❅✘✟✁☎➘

✜✣✠✧✏⑦➃✯✖✒✘❁♦✩✏✒✄✎☛❼✮❅✘✟♦✚➄✣✢✝✄✎✮✯✏⑦✍✑✏✕✍✣✞⑤✜✣♦➤✮✯✏✒♦✚➄④✘❛✞❅✢✝✞✡✦✧✠✌✘✟♦✩✏

✁✣➙➞✦✧✄✎✮✡✘❛✢✎✘✒✁

✄✝✦☞✜✣✍✣✄✝✁✑✏✒✢❾r ➍ ➛➜✜✣✄❤⑧

✁✣✘➧✆⑦✏✒♦✚✞❅✁❹✦✧✞⑦⑧☎✞➞♠✗➄✣✢✝✄✎✮✡✄✝✦❺✏⑦✠☞✞❅♦✚✘✟☛✈✏✕✏⑦✠☞➀✣✄★✦✧✠✧✏⑦✠☞✄✎✞✡✍✑✏✒✍✣✞❑✁✑✏⑦☛■☛☞✘✟✢✝✜✣➃❅➟❝✞❅☛❼✞✒⑧❝✮❅✘✟♦ ➀✑✏⑦☛☞✞❸✁✣✄✝☛✌✦☞✘✣⑧✗✮✡✘✟✁✣☛➉✦✧✠☞✜☎✄✎✠☞✞✡♦✩✘✒☛

✆⑦➢✒✠☞✄✝✘✟☛✇✮✡✘✟✁❱➨✌✜✣✁❹✦☞✘✟☛⑤✍✣✞❛✁✣✘➧✆⑦✏✒☛❸☛✌✘✟✢✎✜☎➃❅➟❝✞❅☛❸✞➹♠✣✏❱✦❺✏✒☛✡r✕✪✛✄✝✁✑✏✒✢✝♦✩✞✡✁➜✦☞✞✒⑧❩✁✣✘✹✮❅✏✒➄✣✬✝✦☞✜✣✢✎✘

(10)

✞❅♦➭✜✣♦➯✮✯✏⑦♦✩➄④✘➅♦⑥✏

✁✣➙✡✦☞✄✎✮❅✘❁✜☎✁✣✄✝q❪✘✟✠✌♦✩✞⑦r

✈①✇✞✈

P ✸③②✩❂✡❊ ❈❑❀➅✳❃✸ ❄❆❋t④✫✱❃✱✴❂❅❄❼✸ ✷➇❈ ✼➇❊ ✵ ❄■✵❘❏✭◗✫✵ ❈❑❊ ✼➇❊ ❄■✵✫❊ ◆❖✸

❊ ✵❘◗✫❀➇❍■✳❃❂✡❄❆✸ ✼➇❀✹❂➞❯⑦✸❘❏♥❊ ❈

➊❆✘✟✁✣☛✌✄✎✍✣✞✡✠☞✞■✜☎♦à✮❅✏✒♦✚➄➡✘✂♦⑥✏

✁✣➙✡✦☞✄✎✮❅✘✂✮❅✘✟✁☎☛✌✦❺✏⑦✁➜✦☞✞■✞■✜✣✁☎✄✝q❪✘✟✠✌♦✩✞⑦⑧✸⑤⑦⑥⑨⑧✜⑩♠❶❷⑩♠❶❷⑤❹❸❺⑧✒✍✣✄✎✠✌✞❅✮❅✄✝✘✟✁✑✏✒✍☎✘✇✏✒✘✇✢✎✘✟✁

✍✣✘✫✞❅✄★♠✗✘①❺❼❻➧r♣❧♣☛✌✦✧✞✇✮✯✏✒♦✚➄➡✘✓➄④✘✗✍✣✞➝☛☞✞✡✠❆✠✌✞❅✢➠✏⑦✮❅✄✎✘✒✁✑✏✒✍✣✘✓✮❅✘✟♦ ✜☎♦✽➄④✘✒✦☞✞❅✁✣✮✡✄➠✏✒✢❩✞❅✢✝✞✡✦☞✠☞✘✟♦✩✏

✁✣➙➞✦✧✄✝✮❅✘❘✁✑✏✓q❪✘✒✠☞♦✩✏

❽❿❾

⑥➀⑩✤❶ ❽①➁

⑥➃➂

⑤❬❺❼➅➆❶

⑥➈➇❬➂

⑤❬❺

❶♦⑤❳➉➊⑩✤➋ ➌ ✌ r✌➆➍

❧♣☛✌✦✧✏➇➙➅✏➒✮❺↕✣✏✒♦⑥✏⑦✍✑✏⑥q❪✘✟✠☞♦✩✏⑥☛✌✄✎♦✚➙✡✦✧✠✌✄✎✮❅✏⑥✍✣✘➇➄➡✘⑦✦✧✞❅✁☎✮❅✄➠✏⑦✢❾r✓✂♦✩✏⑥✘✟✜☎✦☞✠✧✏➒✞✡☛☞✮❅✘✒✢✎↕✑✏✹➄④✘✟☛☞☛✌✬✝✆✟✞✡✢❾⑧⑨➛➜✜✣✞➅✍✣✄★q❪✞❅✠✌✞

✍✑✏➅✏✒✁❹✦✧✞✡✠☞✄✝✘✟✠➴➄➡✘✒✠➴✜✣♦⑥✏❛✦☞✠✧✏✒✁✣☛➉q❪✘✟✠☞♦✩✏✒➃❅✖✒✘❁✍✣✞

✏✒✜

✞✒⑧✑➙ ❽❿❾

❽➎➁

⑥➀⑩♠❶

⑥➈➇❿⑤❬❺

r

➍ ☛➝✞❅➛➜✜✑✏✒➃✡➟✗✞✡☛✇✍✣✞✫ö✴✘✟✠☞✞✡✁❹✦✧➥✓➄✑✏✒✠✧✏✚✘✩✮❅✏✒♦✚➄➡✘➅✞❅♦❇✮✡✘✟✁✣☛✌✄✎✍✣✞✡✠✧✏✒➃❅✖✒✘➒✏✒✍☎➛❝✜☎✄✎✠☞✞✡♦➋✏➅q❪✘✒✠☞♦✩✏❉➏➐➌✣➑➎⑥➒➇➔➓➑♠➓

➙✓✏❁✮✯✏✒✠

✏❁✍✑✏✚➄✣✏✒✠✌✦☞✬✎✮❅✜☎✢➠✏✕✞➎→ ❾ ☛✌✜✑✏❁♦⑥✏⑦☛☞☛✧✏➅✍✣✞❘✠☞✞✡➄➡✘✒✜✣☛☞✘

❾✤➣

⑥➀⑩♠❶↔→ ❾♠➣

⑥❱➇✐↕✧➙➜➛❺ ➅ ❶↔→ ❾✤➣

❺ ➅ ⑥➝↕✧➙➞➛❺

❶➟→ ❾✤➣

⑥➀⑩ ➌ ✌ r➎ ➍

❺✖➠➡➛❺

⑥➤➢ ➅ ❶✰➙➥⑥ ➓➦➑♠➓➧⑤

➢➆↕

➉➊⑩✕❶✁➛❺

⑥➩➨

➠t➫

❺❼➫☞❶✰➨ ❾➭❾

❶✰➨➲➯➵➳➸⑥❢➇③➺r➯➵➳✬➋ ➌ ✌ r➻✍ ➍

➍ ☛☞✘✟✢✝✜✣➃✯✖⑦✘

✞❅✠✧✏⑦✢⑨✍✣✞❅☛➉✦❺✏✒☛➝✞❅➛➜✜✑✏⑦➃❅➟❝✞❅☛❑➄➡✘❝✍✣✞❘☛☞✞✡✠❑✞❅☛☞✮✡✠☞✄★✦❺✏➅✮❅✘✟♦✚✘

⑥➽➼

→ ❾✸➾ ❶➟❺

⑥❑➚◆➪✞➶☞➹✶➘➷➴❅❺

➁➬

❾➧➮

❶✰❺ ➅ ⑥➤➚➱➹❐✃❮❒❰➘➞➴✄❺ ➅

❾➧➮

⑥❱➇ ➼

→ ❾

❸❇❶♦➘✉⑥ÐÏ

➴ÒÑ

❶ÓÏ

⑥▲↕✧➙❇Ô➲→

❶ ➌ ✌ r✱✎ ➍

✘✟✁✣✍☎✞➈✏⑦☛❁✮❅✘✟✁✣☛➉✦❺✏✒✁❹✦☞✞❅☛

❾ ❶

❶✉➚➞❶✼❺

➁➬

❾➧➮ ❶✼❺

❾➧➮ ❶ÕÑ ❾ ❶

❾ ☛☞✖✒✘➷✄✎✁❹✦✧✞

✠✧✏⑦✄✎☛❁✍✣✘➷♦✚✘❞✆❝✄✝♦✩✞✡✁➜✦☞✘✣⑧✉✏✒☛➅➛➜✜✑✏✒✄✝☛

✞❅☛➉✦❺✖✒✘✚✠☞✞✡✢➠✏✒✮✡✄✎✘✟✁✣✏✒✍✑✏✒☛✡⑧✑✏⑦✦✧✠☞✏✯✆✟➙❅☛✂✍✑✏➅✮❅✘✟✁✣✍☎✄✎➃✯✖⑦✘✩✍✣✞

✏✒✜

✞✼➌ ✌ r✱✍ ➍ ⑧✑➄④✘✟✠

➅❾ ⑥❑➢ ➅ → ➅

➴➩↕ ➅ ➙ ➅ ➚ ➅ r➴❷

♦✚✘✟♦✩✞✡✁❹✦✧✘❁✮❅✄✝✁✣➙✡✦☞✄✎✮✡✘✼Ö

⑥➀→ ❾ ❺➛

✏⑦☛☞☛☞✜☎♦✩✞✓✏❛q❪✘✟✠☞♦✩✏

Ö ❾ ⑥

❾ ❶➟Ö ➁ ⑥▲↕☞➙❇➚◆➹s✃×❒❰➘❴❶ØÖ

⑥➈➇➎↕✧➙❀➚◆➪✞➶☞➹❀➘❴❶➟Ö

➋ ➌ ✌ rÙ✏ ➍

Ú➭Û✶Ü✜ÝßÞáàßâäã➸å✞Ü✤æ➲Ü✣Þrç✙è➆åÓÞ✾éäårç❖êrâ❐ç✙ëäìrå✩æ✙Ü✣æ✙Þáí➆ç✙Þïî✞æ✙Þáí❖ð➻ç✙è➆ñÙé➧âsÜ✚òràßâäòrå✞Ü❍ñ➻ç✙è➆ñÙéäÞrã➱é➧å❖åràóè➆â❐ç✙Þrè✬ÞtÜ❉î✞æ✙Þtè➆à✣ñÙè➆ñ➻ã➸âäç✙Ü✣ñ✱åtç✙ÞáñÙÜ❐ô

â➎õ✸årà✣ÝßÞrçtÝßåöÞrÜßÜ✜æ✬ã➸â❐ã❢ê❷Þáí➻åràßâ❐Ü➡è➆â①÷äâäàßåöÞ➜Ý✣àßø❐Ü❐ô❴âäç✙î✞æ✙ÞrçtÝßåöð✱ç➲è➆ñ➻éäâ❐Ü❰í➻ÞáÝ✣ñ➻ç✬åtÜ➡ê❷ìrå➞è✬â➎æ✬ã⑨Þ➜Ý✣àßø❐Ü❐ô❇ù✸âäã⑨é➧åtã➸å✕Þ

(11)

Ö➎➅

➴ÒÖ➎➅

⑥➝↕❍➅û➙✶➅❷➚➐➅③➋ ➌

r

❈☞➍

➄✣✠☞✘❱➨✌✞✡➃✯✖✒✘✚✍✣✘➅♦✚✘✟♦✩✞✡✁❹✦✧✘✚✏✒✁

✜☎✢➠✏✒✠■✁☎✘✚✞✡✄★♠✗✘ö❺

✭✰✯➡⑥⑨üýÿþ✁✄✂

↕✧➙

➄✆☎

➚➐➅➟➇✄➚➐➅❾✞✝ ❶➟➚➐➅❾ ⑥

➁➬

❾➧➮✟✝

❺❼➅

❾➧➮✟✝

➌ ✌ r✫✸➍

➙✈✜✣♦⑥✏❑✄✎✁❹✦☞✞

✠☞✏✒✢❹✍✣✘✇♦✚✘➧✆❝✄✎♦✚✞❅✁❹✦✧✘✣r✶➂➝✞❅☛✌✦✧✏✂✞✡➛❝✜✣✏✒➃✯✖✒✘☎⑧✒✘✇♦✚✘✟♦✚✞❅✁❹✦✧✘

✞✡✁✣✞❅✠☞✏✒✢✎✄✝➥✯✏✒✍☎✘

☛✌✞❼✠✌✞❅✢✎✏✒✮❅✄✝✘✟✁✑✏➴✮❅✘✟♦

✘❛♦✚✘✟♦✚✞❅✁❹✦✧✘✫✮❅✄✎✁☎➙✡✦✧✄✝✮❅✘➜Ö

✏⑦✦✧✠☞✏✯✆✟➙❅☛❆✍✑✏✕✄

✜✑✏✒✢✎✍✣✏✒✍✣✞③Ö

➇ ➑

Ô✸➢❘r✈❷❸➀✣☛☞✞✡✠✌✆✒✞⑤➛❝✜☎✞✒⑧☎✍☎✄✝q❪✞❅✠✌✞❅✁❹✦✧✞✇✍✣✘

♦✚✘✟♦✩✞✡✁❹✦✧✘❘✏✒✁

✜✣✢➠✏✒✠♣✜☎☛☞✜✑✏✒✢❼✭✰✯➸⑥➒üý þ✡✠☛✂

⑧➜✏✓➛➜✜✑✏✒✁❹✦☞✄✎✍✑✏✒✍☎✞➜➌

r

✫☞➍

➙❑✜✣♦⑥✏⑤✮✡✘✟✁✣☛✌✦✧✏✒✁❹✦✧✞❑✍✣✘✓♦✩✘➧✆❝✄✎♦✚✞❅✁❹✦☞✘

✏✒✄✝✁✣✍✑✏❛➛➜✜✣✞✫✏✕❦✒✠☞➀✣✄★✦❺✏❛✁✑✖✒✘✚✞❅☛➉✦✧✞✥➨☞✏✚✮✡✞❅✁❹✦✧✠☞✏✒✍✑✏➅✁✑✏✚✘✒✠☞✄

✞❅♦✿r

✔✗✞

✜✣✞⑤✍✑✏✒☛➴✞✡➛❝✜✣✏✒➃❅➟❝✞❅☛①➌

r✱✎

⑩r➌

r➻✏

➛➜✜✣✞❘✏✫✦☞✠✧✏❞➨✌✞➞✦û❦✟✠✌✄➠✏✕✍☎✞⑤✜✣♦⑥✏✫➄✑✏✒✠✌✦☞✬✎✮✡✜✣✢➠✏✓✁✣✞❅☛➉✦✧✞❘✮✯✏✒♦✚➄④✘❛♦⑥✏

✁✣➙➞⑩

✦✧✄✝✮❅✘➪➙✩✜✣♦✩✏❿✞❅☛✌➄✣✄✎✠☞✏✒✢❾⑧✭✞❅✁✣➛➜✜✑✏✒✁❹✦☞✘②✏➈➄✣✠☞✘❱➨✌✞✡➃✯✖✒✘❿✍✣✞❅☛➉✦❺✏❿✦✧✠☞✏❞➨✌✞✡✦s❦✟✠☞✄✎✏❿✁✣✘➪➄☎✢➠✏✒✁✣✘➥❺❼❻✼⑥⑦⑩❿➙⑥✜✣♦ ✮✡✬✎✠✌✮❅✜✣✢✝✘

✍✣✞❁✠☞✏✒✄✎✘❝➚ ✮❅✘✟♦➫✮❅✞✡✁➜✦☞✠☞✘✿✁✣✘➇➄➡✘✒✁➜✦☞✘Õ❺

➁➬

❾➧➮ ❶❿❺

❾➧➮

⑧✴✘✟✜➷☛☞✞✥➨☞✏☎⑧☛☞✞❺

➇ ❺

➁➬

❾➧➮✍✌

➴✎☞✞❺

➇ ❺

❾➧➮✟✌

⑥ ➚

r ➍

✠☞✘⑦✦❺✏✒➃❅✖✒✘✚✏✒✘➅✢✎✘✟✁

✘❁✍✣✞❅☛➉✦✧✞✓✮❅✬✎✠✌✮❅✜✣✢✝✘❁➙❘✜✣✁✣✄✝q❪✘✒✠☞♦✚✞✒⑧☎✮✡✘✟♦➭q❪✠✌✞❅➛✑✏✣➌❅✁☎✮❅✄➠✏✚✏✒✁

✜✣✢➠✏✒✠➟Ï➝⑧

Ï✄⑥➀➢✓✒

⑥➀➢

⑥➤➢ ➅ → ❾ Ï ❾

✔✓✕✗✖

⑥➈↕❉➢ ➅

✔✘✕✍✖

❶♦➘✉⑥➊Ï

➴ÒÑ ❾ ❶

✘✟✁✣✍☎✞✙✔✘✕✗✖↔⑥ ➢

⑥ ➢✛✚ ➢

➴Ð↕

➙⑥✏✿✞❅✁✣✞✡✠

✄✎✏✿✮✡✢➠➢✒☛✌☛☞✄✝✮✯✏➇✍✣✘❿♦✚✘➧✆✗✄✝♦✩✞✡✁❹✦✧✘✣r➒❷➤♦✩✘➧✆❝✄★⑩

♦✚✞❅✁❹✦✧✘✿✏✒✘➇✢✎✘✒✁

✘➇✍✣✘➇✞❅✄♠☎✘Õ❺ ❻ ➙✚✜☎✁✣✄✝q❪✘✟✠✌♦✩✞⑦⑧⑨✮❅✘✒♦ ✆✟✞✡✢✎✘❝✮❅✄✎✍✣✏✒✍✣✞✢✜

Ô✸➢✕✍✣✏✒✍✑✏✹➄➡✘✒✠✣✜

⑥ ➢

❺ ❻ Ô

➢ï➛❺❼❻rÔ➡➛❺

⑥❢➇❿➢

Ô✤✔✘✕✗✖Ù✍✣✞❘✘✟✁☎✍✣✞❘➄➡✘❝✍✣✞❅♦✚✘✟☛■✦☞✄✎✠✧✏⑦✠❿➓✜

➓✦✥➔➢

r

✈①✇★✧

ó

✱ ❈✘✩✩✼➇✵✣✪✬✫➅❈❑✱➯✷✹❈❉✸✫❀➇✷➇✵ ❏✛❈➴❋✡✵❘✳❃❂á②✮✭❅✱⑨✳❃❂✡❄■✵✫✱

✯ ✜✑✏✒✁✣✍☎✘❘✔✗✮❺↕✣✠✱✰✗✍✣✄✝✁

✞✡✠✛✞❅☛✌✮❅✠✌✞✡✆✟✞✡✜⑥✏✂✞❅➛➜✜✑✏✒➃❅✖✒✘❸✍✣✞■✘✒✁✣✍✑✏✇✁✑✖⑦✘⑦⑩✥✠✌✞❅✢➠✏❱✦✧✄✝✆❝✬✝☛✌✦✧✄✝✮✯✏☎⑧➧➛➜✜✣✞❆↕✣✘❱➨✌✞■✢✝✞✡✆⑦✏✂☛✌✞❅✜❁✁✣✘✟♦✚✞✒⑧

✦❺✏⑦♦❛➀➡➙✡♦▼q❪✘✟✠✌♦❛✜✣✢✝✘✟✜➅✏✓✮✡✘✟✠☞✠✌✞❅☛✌➄➡✘✟✁☎✍✣✞❅✁❹✦✧✞➝✞❅➛➜✜✑✏⑦➃✯✖✒✘✫✍✣✞❑✘✟✁✣✍✑✏❘✠☞✞✡✢➠✏⑦✦☞✄✝✆❝✬✎☛➉✦✧✄✎✮❅✏☎r✭✔✗✜✣➀✣☛✌✞❅➛➜✜✣✞✡✁➜✦☞✞❅♦✚✞❅✁❹✦✧✞⑦⑧✣✞❅♦

✑❹➎

⑧✗✜☎♦⑥✏✓✞❅➛➜✜✑✏✒➃❅✖✒✘❁✄✎✍✣➌✡✁❹✦✧✄✎✮❅✏✫q❪✘✟✄④➄✣✠☞✘✒➄➡✘✟☛➉✦❺✏☎⑧❝✄✎✁☎✍✣✞❅➄④✞❅✁✣✍☎✞❅✁❹✦✧✞✡♦✩✞✡✁➜✦☞✞✒⑧✑➄④✘✟✠■➩⑤✢✝✞❅✄✎✁Ù⑧☎③⑤✘✟✠✌✍✣✘✟✁⑨⑧☎➩❘✜☎✍✑✏✒✠❅⑧

t✇✘✟✁☎✍✣✞❅✠✡⑧❃ß✈✏⑦✁↔t✇✜☎✁

✞❅✁➮✞✚✪✑✘✗✮❺❽❩r

✞❅➛➜✜✑✏⑦➃✯✖✒✘✿➄✣✠☞✘✒➄➡✘✟☛➉✦❺✏✹➄④✘✟☛☞☛✌✜✣✬➠✏✹✜✣♦✩✏➒✍✣✄✝➘✣✮❅✜✣✢✝✍✑✏✒✍✣✞❁✍✣✞➅✄✝✁➜✦☞✞❅✠✌➄✣✠☞✞➹⑩

✦❺✏⑦➃✯✖✒✘✣⑧♣➄☎✠☞✘➧✆✟✞✡✁✣✄✎✞✡✁➜✦☞✞➇✍✣✘❖q✐✏⑦✦✧✘➪✍✣✏➪✍✣✞❅✁✣☛✌✄✎✍✑✏⑦✍✣✞➇✍✣✞➒➄✣✠✌✘✟➀✑✏✒➀✣✄✝✢✎✄✝✍✑✏✒✍✣✞✚✞❅☛✌➄➡✞✡✮❅✄✝➘✣✮✯✏✒✍✑✏➷➄④✘✟✠❛✞❅✢✎✏❿➄④✞❅✠☞♦✚✄✝✦☞✄✎✠

✆⑦✏✒✢✎✘✒✠☞✞❅☛✓✁✣✞

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✞❅♦

✑☞✍✸✎☎⑧✉✙✛✏✒✜✣✢✝✄❆✞➒➼②✞❅✄✝☛☞☛☞❽⑦✘✟➄☎q✂✠☞✞✡☛✌✦❺✏⑦➀➡✞✡✢✎✞❅✮✡✞❅✠☞✏✒♦ ✏❿✆⑦✏✒✢✎✄✝✍✑✏✒✍✣✞✩✍✣✞❅☛➉✦❺✏❖✞❅➛➜✜✑✏⑦➃✯✖✒✘➷✠☞✞✡✄✎✁❹✦✧✞✡✠☞➄✣✠✌✞✡✦✧✏✒✁✣✍✣✘⑦⑩✥✏

✮❅✘✒♦✩✘❁✜✣♦✩✏❛✞❅➛➜✜✑✏⑦➃✯✖✒✘✚✍✣✞⑤✮✯✏⑦♦✩➄④✘✣⑧✣✁✣✘➅♦✚✞❅☛✌♦✩✘❁☛✌✞❅✁❹✦✧✄✝✍✣✘➅✍✑✏✒☛➴✞❅➛➜✜✑✏⑦➃❅➟❝✞❅☛➝✍✣✞✓①❿✏❱♠❝➽❼✞❅✢✎✢✴➄✣✏✒✠✧✏❁✘❁✮✯✏⑦♦✩➄④✘

✞❅✢✝✞✡✦☞✠☞✘✟♦✩✏

✁✣➙➞✦✧✄✝✮❅✘✣⑧❝✞❘✞✡q❪✞✡✦☞✜✑✏✒✁✣✍☎✘✩☛✌✜✑✏✚➛➜✜✑✏⑦✁➜✦☞✄✎➥❅✏✒➃✯✖✒✘☎r

❧♣♦ ✌ ✑❹➎➲✷☎⑧Ùt✂✄✎✠✧✏⑦✮✕✍✣✞✡☛☞✮❅✘✒➀✣✠☞✄✝✜➮☛✌✜✑✏➒✞❅➛➜✜✑✏⑦➃✯✖✒✘✹✍✣✞✕✘✟✁✣✍✑✏➒✠✌✞❅✢➠✏❱✦✧✄✝✆❝✬✝☛✌✦✧✄✝✮✯✏☎⑧✑✞✡✁✣➛➜✜✑✏✒✁❹✦✧✘✹✦☞✞❅✁❹✦❺✏✯✆⑦✏➒✠☞✞✡☛☞✘✟✢⑩

✆✟✞✡✠✓✏➒✍✣✄✝➘✑✮✡✜✣✢✎✍✣✏✒✍✣✞❛✍✑✏➒✍☎✞❅✁✣☛✌✄✎✍✑✏✒✍☎✞✚✍☎✞❁➄✣✠☞✘✟➀✣✏✒➀✣✄✎✢✝✄✎✍✑✏⑦✍✣✞✫✁☎✞

✏⑦✦☞✄✝✆⑦✏⑥➄✣✠✌✞❅☛✌✞❅✁❹✦✧✞✚✁✑✏➒✞❅➛➜✜✑✏⑦➃✯✖✒✘➇✍✣✞➅➩⑤✢✎✞✡✄✎✁✗⑩

③⑤✘✟✠☞✍✣✘✒✁⑨r♣✙✭✘✒✠➴♦❛✜✣✄✝✦☞✘✕✦✧✞✡♦✩➄④✘✣⑧☎✏✒✮❅✠✌✞❅✍✣✄★✦✧✘✟✜✗⑩ ☛☞✞⑤➛➜✜✣✞❘✏❁✞❅➛➜✜✑✏⑦➃✯✖✒✘➅✍✣✞❘t✇✄✝✠✧✏✒✮✂q❪✘✟☛☞☛✌✞❘✏➅➦☎✁✣✄✎✮❅✏❛✞❅➛➜✜✑✏✒➃❅✖✒✘➅✍✣✞

✘✟✁✣✍✣✏✿✠✌✞❅✢➠✏❱✦✧✄✝✆❝✬✝☛✌✦✧✄✝✮✯✏⑥✆⑦➢✒✢✝✄✎✍✑✏➒➄✑✏⑦✠✧✏✹➄✑✏✒✠➉✦✧✬✎✮✡✜✣✢➠✏⑦☛⑤✮❅✘✟♦þ♦✩✏✒☛☞☛☞✏☎r✩❧✉☛➉✦❺✏✿✮❅✠☞✞✡✁✣➃✯✏✿☛s❦➇q❪✘✟✄♣✍✣✞✡✠☞✠☞✜☎➀✑✏✒✍✑✏➈✏✒➄❀❦✒☛

✏❿✠✌✞❅✄✎✁❹✦☞✞❅✠☞➄☎✠☞✞✡✦✧✏✒➃✯✖⑦✘❖✍✑✏❿✞❅➛➜✜✑✏⑦➃✯✖✒✘➷✍✣✞✹➩⑤✢✝✞❅✄✎✁❝⑩➉③⑤✘✟✠☞✍✣✘✒✁②✮✡✄✝✦❺✏⑦✍✑✏❿✏✒✮✡✄✎♦✩✏☎r➪ø➝✘❱➨✌✞✒⑧✉✏⑦♦❛➀✑✏✒☛✕✏✒☛❛✞❅➛➜✜✑✏⑦➃❅➟❝✞❅☛

➄④✘✟☛☞☛✌✜✣✞❅♦ ☛✌✞❅✜⑥✢✝✜

✏✒✠♣✁✣✏❘✦☞✞❅✘✟✠✌✄➠✏⑤✠☞✞✡✢➠✏⑦✦☞✄✝✆❝✬✎☛➉✦✧✄✎✮❅✏☎r✶✙✭✘✟✄✝☛❅⑧➜☛✧✏⑦➀➡✞➹⑩✥☛☞✞➝➛➜✜✣✞➝✞❅☛✌✦✧✏✒☛✈✞❅➛➜✜✑✏✒➃✡➟✗✞✡☛❼✍✣✞✡☛☞✮✡✠☞✞✡✆✒✞❅♦✽➄✑✏✒✠s⑩

✦✧✬✝✮❅✜✣✢✎✏✒☛✇✮✡✘✟♦✻➄✣✠☞✘✟➄☎✠☞✄✎✞✡✍✑✏✒✍✣✞✡☛❸✍✣✄✝☛✌✦✧✄✝✁❹✦❺✏✒☛✡r✓①❿✏✒✄✎☛✂✞❅☛✌➄➡✞✡✮❅✄✝➘✣✮✯✏✒♦✚✞❅✁❹✦✧✞⑦⑧✴✞❅✁✣➛➜✜✑✏⑦✁➜✦☞✘✿✏➒✞❅➛➜✜✑✏✒➃❅✖✒✘✹✍✣✞❁➩⑤✢✎✞✡✄✎✁✗⑩

③⑤✘✟✠☞✍✣✘✒✁Ð✍✣✞❅☛✌✮❅✠☞✞➞✆✟✞✿➄✑✏✒✠➉✦✧✬✎✮✡✜✣✢➠✏⑦☛✕☛☞✞✡♦ ☛☞➄☎✄✎✁⑨⑧✈✏➪✞❅➛➜✜✑✏⑦➃✯✖✒✘➷✍✣✞➇t✇✄✝✠✧✏✒✮⑥☛☞✞➇✘✗✮✡✜✣➄✑✏➪✍✑✏⑦☛❁➄✑✏✒✠✌✦☞✬✎✮✡✜✣✢➠✏✒☛✫✮❅✘✟♦

☛☞➄☎✄✎✁

r

✲✴✳✶✵✷✳✸✲ ✹ ✺✼✻✷✽✿✾❁❀❃❂✴❄❆❅❇✺❉❈❋❊●✺✼❍✸■❏✺▲❑▼❄✴◆❖❅❇❄✴■

P

✜✣♦ q✐✏⑦✦☞✘✕✮❅✘✒✁✣↕✣✞❅✮✡✄✎✍✣✘✫➛➜✜✣✞❸✏✓✞❅➛➜✜✑✏✒➃❅✖✒✘❛✍✣✞❸✔✗✮❺↕✣✠◗✰❝✍✣✄✝✁

✞❅✠✡⑧➜➄✑✏✒✠✧✏✓✜✣♦✩✏✫➄✑✏✒✠➉✦✧✬✝✮❅✜✣✢✎✏❘✮✡✘✟♦ ♦⑥✏⑦☛☞☛✧✏➎→❇✞❅♦

✜✣♦➯➄④✘✒✦☞✞❅✁✣✮✡✄➠✏✒✢❙❘Ð⑧✗❚➲❸➞⑧ ❯✍❱

↕❳❲

❲❩❨

➄ →❭❬

➅ ➇❪❘➤⑧❫❚➲❸❵❴✘❛ ⑧✍❚❍❶

❸✰⑥❑⑩ö❶ ➌ ✌ r➻✷ ➍

☛s❦❘➙➴✆⑦➢✒✢✎✄✝✍✑✏✇➄✑✏⑦✠✧✏❸➄✑✏✒✠➉✦✧✬✝✮❅✜✣✢✎✏✒☛♥✮❅✜❞➨☞✏⑤✆✒✞❅✢✝✘✗✮✡✄✎✍✑✏✒✍☎✞➴☛☞✞s➨☞✏⑤♦❛✜☎✄✝✦✧✘✇✄✎✁☎q❪✞✡✠☞✄✎✘✒✠✰♥❸✍✑✏⑤✢✎✜✣➥⑦r♥❧♣☛✌✦✧✏✓✞✡➛➜✜✑✏✒➃✯✖⑦✘✫➄④✘✗✍☎✞

☛☞✞✡✠■✘✟➀☎✦☞✄✎✍✑✏✓✍✑✏❛✠☞✞✡✢➠✏✒➃❅✖✒✘✕✁✣✖✒✘⑦⑩✥✠✌✞❅✢✎✏⑦✦✧✄★✆✗✬✝☛✌✦☞✄✎✮✯✏⑤✞✡✁➜✦☞✠☞✞⑤✏✫✞❅✁✣✞✡✠

✄✎✏❜✔▼✞❸✘✕♦✩✘✟♦✚✞❅✁❹✦☞✘❳↔✍☎✞❸✜✣♦✩✏✫➄✑✏✒✠➉✦✧✬✝✮❅✜✣✢✎✏

✮❅✘✒♦ ♦⑥✏⑦☛☞☛✧✏➷✍✣✞➇✠☞✞✡➄➡✘✒✜✣☛☞✘➱→

❾❞❝⑥❪⑩☎⑧❼✄❤r

✞⑦r✝⑧✈✍✑✏➷✠☞✞✡✢➠✏✒➃❅✖✒✘❡✔ ⑥ ❢❤❣

➅✶✐❦❥

➴❧❘Ð⑧✗♠☞❸❺r❴✔✗✜✣➀✣☛➉✦✧✄✝✦☞✜✣✄✎✁☎✍✣✘➷✁✣✞❅☛➉✦❺✏

✠☞✞✡✢➠✏✒➃❅✖✒✘✚✏✒☛➴➛➜✜✑✏✒✁❹✦✧✄✝✍✑✏✒✍✣✞✡☛✂✮✡✢➠➢✒☛✌☛☞✄✝✮✯✏✒☛➴➄④✘✟✠➴✘✟➄④✞❅✠☞✏✒✍✣✘✟✠✌✞❅☛❅⑧✑✍☎✞✫✏⑦✮❅✘✟✠✌✍✣✘➅✮❅✘✟♦❇✏❁✠✌✞

✠☞✏

✔▲♥ ➢♣♦

↕ ❲

❲q❨ ❶✴❡♥

➇♥

♦ ⑥

❶ ➌

r➻✑

✞➇✏✒➄✣✢✝✄✎✮❅✏✒✁✣✍✣✘❖✞✡☛✌✦✧✞✡☛➅✘✟➄➡✞✡✠✧✏✒✍☎✘✟✠☞✞✡☛✚✞✡♦ ✜✣♦✩✏❿q❪✜✣✁✣➃❅✖✒✘➮✍✣✞✹✘✟✁✣✍✑✏r❛◆⑧❫❚❍❶

❸➞⑧✈✘✟➀☎✦☞✞❅✠✌✞❅♦✚✘✟☛➅✏➪✞❅➛➜✜✑✏✒➃❅✖✒✘➮✍✣✞

✔✗✮❺↕✣✠✱✰✗✍☎✄✎✁

✞✡✠✛✁✑✏✇q❪✘✒✠☞♦✩✏➞➌ ✌ r➻✷ ➍ r✛❧♣☛➉✦❺✏❸✞❅➛➜✜✑✏⑦➃✯✖✒✘⑤✁✑✖⑦✘⑤➙❆✄✎✁❹✆⑦✏✒✠✌✄➠✏✒✁❹✦✧✞❼➄➡✘✒✠✭✦✧✠☞✏✒✁✣☛➉q❪✘✟✠☞♦✩✏✒➃❅➟❝✞❅☛✭✍✣✞➴ö✴✘✟✠✌✞❅✁❹✦✧➥⑦r

t✇✞❸q✐✏⑦✦☞✘✣⑧✣✏❁✞✡➛❝✜✣✏✒➃✯✖✒✘➅✍✣✞✓✔❝✮❺↕✣✠◗✰❝✍✣✄✎✁

✞❅✠■✮✡✘✟✁❹✦✧➙✡♦➯✜✣♦✩✏✕✍✣✞❅✠✌✄✝✆⑦✏✒✍✑✏❛➄☎✠☞✄✎♦✚✞❅✄✝✠✧✏✓✞❅♦➭✠✌✞❅✢✎✏✒➃✯✖✒✘➅✏⑦✘❛✦✧✞❅♦✚➄④✘❛✞

✍✣✞✡✠☞✄✝✆⑦✏✒✍✣✏✒☛❑✍✣✞✫☛✌✞

(13)

✞❅➛➜✜✑✏⑦➃✯✖✒✘✣r

q❪✘✟✠✌♦⑥✏✚♦⑥✏✒✄✝☛✂☛✌✄✎♦✚➄✣✢✎✞✡☛✂✍☎✞

✞❅✁☎✞❅✠✧✏⑦✢✎✄✎➥❅✏✒✠✂✏⑥✞❅➛➜✜✑✏✒➃❅✖✒✘➇✍✣✞❛✘✟✁☎✍✑✏⑥✁✑✖✒✘❱⑩✥✠☞✞✡✢➠✏⑦✦☞✄✝✆❝✬✎☛➉✦✧✄✝✮✯✏❁➄✑✏✒✠☞✏⑥✘➒✮✯✏⑦☛☞✘

✠☞✞✡✢➠✏⑦✦☞✄✝✆❝✬✎☛➉✦✧✄✝✮❅✘✣⑧✣✦☞✠✧✏⑦✦✧✏✒✁✣✍✣✘⑦⑩ ☛☞✞✫✍✑✏✩➄✑✏⑦✠✌✦✧✬✝✮❅✜✣✢✎✏✩✢✝✄✝✆❝✠☞✞⑦⑧✑✮❅✘✟✁✣☛✌✄✎☛➉✦✧✞❛✞✡♦✻✜☎☛✧✏✒✠⑤✏✚✠☞✞✡✢➠✏✒➃❅✖✒✘⑥✠✌✞❅✢➠✏❱✦✧✄✝✆❝✬✝☛✌✦✧✄✝✮✯✏➅✞❅✁❹✦✧✠✌✞

♦✚✘✟♦✩✞✡✁❹✦✧✘❸✞➴✞✡✁✣✞❅✠

✄➠✏☎⑧✛✔

➇✼➢

➅ ➅ ➇❋→

➅❾

⑥➀⑩✗r♣✔✗✞⑦⑧❝✁☎✞❅☛✌✦✧✏⑤✞❅➛➜✜✑✏✒➃❅✖✒✘✣⑧❹✄✎✁❹✦☞✠☞✘❝✍✣✜✣➥❅✄✝✠☞♦✚✘✟☛✛✘✒☛♥✘✟➄④✞❅✠✧✏⑦✍✣✘✟✠☞✞✡☛

✍✣✞➞➘✑✁✣✄✎✍☎✘✟☛✇✞✡♦ ➌ ✌ r➻✑ ➍ ✞❛✏⑦➄✣✢✎✄✝✮✯✏✒✠✌♦✩✘✟☛❑✘➒✘✒➄➡✞✡✠✧✏✒✍✣✘✒✠✇✏✒☛✌☛☞✄✝♦✻✘✒➀☎✦✧✄✝✍✣✘✉♥✩q❪✜☎✁✣➃✯✖✒✘⑥✍✣✞❛✘✟✁✣✍✣✏✙❛✂⑧➡✘✟➀☎✦☞✞❅✠☞✞✡♦✩✘✒☛

✏❁✞❅➛➜✜✑✏✒➃❅✖✒✘✚✍✣✞✓➩❘✢✝✞❅✄✝✁✗⑩➉③⑤✘✟✠☞✍☎✘✟✁

s ❛◆⑧✗❚❉❶

❸✰⑥➀⑩♠❶ s ⑥➀➢ ➅✘☞

➇t♦ ➅ ➇✄→ ➅❾ ➢ ➅

❶ ➌ ✌ r✌ ➏ ➍

✏❁➛➜✜✑✏✒✢✴➙❘✠☞✞✡✢➠✏⑦✦☞✄✝✆❝✄✎☛➉✦✧✄✎✮❅✏✒♦✚✞❅✁❹✦✧✞✂✄✎✁❹✆⑦✏✒✠☞✄✎✏✒✁❹✦✧✞✒r

✄✎✁❹✆⑦✏✒✠☞✄❮❣✒✁✣✮❅✄✎✏■✠☞✞✡✢➠✏⑦✦☞✄✝✆❝✬✎☛➉✦✧✄✎✮❅✏❆✍✣✞❿➌ ✌ r✌ ➏ ➍ ✦☞✘✟✠☞✁✣✏❱⑩✥☛✌✞✈✞➞✆❝✄✎✍✣✞✡✁➜✦☞✞❼☛✌✞❼✄✝✁❹✦✧✠☞✘❝✍✣✜✣➥✡✄✎✠✌♦✩✘✟☛Ù✘✟☛❃➛❝✜✣✏✒✍✣✠☞✄★✆✟✞➞✦✧✘✟✠✌✞❅☛

✍✣✞✿✮❅✘❝✘✟✠☞✍☎✞❅✁✑✏✒✍✣✏✒☛❋❺

⑥ ⑧✜➢

❶❐ý✡❸➅✞➇♦✚✘✟♦✚✞❅✁❹✦✧✘✟☛

⑥ ⑧✍✔➞Ô✸➢✬❶★ï❸➞⑧❼➀➡✞✡♦ ✮❅✘✟♦✚✘②✘➮➄✣✠✌✘✗✍✣✜✗✦✧✘➮✞❅☛☞✮❅✏✒✢➠✏⑦✠

✄✎✁❹✆⑦✏✒✠✌✄➠✏✒✁❹✦✧✞♦❺❇✉

⑥➤❺

➠✞➫

⑧➜✘✟✁✣✍✣✞❤✈

⑥Ð➨

➫◗✇

❶✰➨ ❾➭❾ ⑥

❶✰➨✙➯➵➳➡⑥➈➇❿➺á➯➵➳■✞➡➨

➠t➫

➠❤① ⑥❑➺

r♣➊❆✘✒♦ ✞❅☛➉✦✧✞

➄✣✠✌✘✗✍✣✜✗✦✧✘❸✞✡☛☞✮✯✏⑦✢➠✏✒✠✡⑧✟☛☞✞➴✏⑦➄✣✢✎✄✝✮✯✏✒✠✌♦✩✘✟☛✭✏✇✜✣♦à➛➜✜✑✏✒✍✣✠✌✄✝✆✒✞✡✦✧✘✒✠③②✓✜☎♦⑥✏❑✦✧✠✧✏⑦✁✣☛✌q❪✘✟✠✌♦⑥✏⑦➃✯✖✒✘❸✍☎✞➴ö✴✘✟✠☞✞✡✁➜✦☞➥✒⑧❹✘✟✜✕☛☞✞s➨☞✏✗⑧

☛☞✞✫➘✑➥❅✞✡✠☞♦✚✘✟☛④②✛⑤✁⑥⑦⑥✷②①➴▼⑧➧⑧⑨✘✟✁✣✍☎✞✢⑧✓➙✫✜✣♦ ➛➜✜✑✏⑦✍✣✠☞✄★✆✟✞✡✦☞✘✟✠✇✞❳⑥➱✜✣♦✩✏✩♦✩✏⑦✦✧✠✌✄✎➥✓✮❅✘✟♦⑨⑥

➠✞⑩

⑥❢➨

➫★①

♦✩✏✒✁❹✦✧✞❅✠✌✞❅♦✚✘✟☛❁✄✎✁❹✆⑦✏✒✠✌✄➠✏✒✁❹✦✧✞➒✏❖q❪✘✒✠☞♦✩✏➪➛❝✜✣✏✒✍✣✠✧➢❱✦✧✄✎✮❅✏r②

⑥❶②

② ➠ ⑥❶②✛⑤

r❒✂☛✧✏⑦✁✣✍✣✘➮➛❝✜✣✏✒✍✣✠☞✄★✆✟✞➞✦✧✘✟✠✌✞❅☛❅⑧❆✏

✞❅➛➜✜✑✏⑦➃✯✖✒✘ ➌ ✌ r✌ ➏ ➍ ✏⑦☛☞☛☞✜☎♦✩✞✓✏❛q❪✘✟✠☞♦✩✏

♦ ➠ ➇ →Õ➅

➢á➅

❛❹⑧ ❺❀❸↔⑥❑⑩ö➋ ➌

r

✌☞✌➆➍

✘✹✠☞✞❅✏✒✢✎✄✝➥✯✏✒✠✌♦✩✘✟☛➝✜✣♦✩✏✩✦✧✠☞✏✒✁✣☛➉q❪✘✟✠☞♦✩✏✒➃✯✖⑦✘⑥✍✣✞❁ö✴✘✟✠✌✞❅✁❹✦✧➥➞❺❩⑤❇⑥❷⑥➟❺✼➴▼②✑⑧✴✏✩q❪✜✣✁✣➃❅✖✒✘✹✍✣✞❛✘✒✁✣✍✑✏⑥✦✧✠☞✏✒✁✣☛s⑩

q❪✘✟✠✌♦⑥✏✒✍✣✏✣❛✴⑤✣➄④✘✗✍☎✞✇✍✣✄★q❪✞❅✠☞✄✝✠✉✍✑✏✓q❪✜✣✁☎➃✯✖✒✘❛✘✒✠☞✄

✄✎✁✑✏✒✢✣✏✒➄➡✞✡✁✑✏✒☛■➄④✘✟✠✈✜✣♦ q✐✏⑦✦✧✘✒✠❼✮✡✘✟✁✣☛✌✦✧✏✒✁❹✦✧✞❸✍☎✞✇♦❋❦✗✍✣✜☎✢✎✘✓✜✣✁✣✄★⑩

✦❺➢⑦✠☞✄✎✘☎⑧☎✄❾r✞✒r★⑧q❛ ⑥❋❸❹❛Ú✮✡✘✟♦ ➓❺❸✰➓➲⑥

r✉✙✭✘✟✠➉✦❺✏✒✁❹✦✧✘☎⑧❩✏❁q❪✜☎✁✣➃✯✖✒✘✚✍✣✞⑤✘✟✁☎✍✑✏✚✁✣✏➅✞✡➛➜✜✑✏✒➃✯✖⑦✘✩✍✣✞✓➩⑤✢✎✞✡✄✎✁✗⑩s③❘✘✒✠☞✍✣✘✟✁

✦✧✠☞✏✒✁✣☛➉q❪✘✟✠☞♦✩✏❱⑩✥☛✌✞❆✮✡✘✟♦✩✘✇✜✣♦▼✞✡☛☞✮❅✏✒✢➠✏✒✠✡r♥✔❝✞❑✏✂✦✧✠☞✏✒✁✣☛✌q❪✘✒✠☞♦✩✏✒➃✯✖✒✘✂✍✣✞❑ö✴✘✟✠☞✞✡✁❹✦✧➥■☛✌✘✟➀✢❛②q❪✘✟✠✭✮❅✘✟✁❹✦☞✬✎✁➜✜✑✏☎⑧❹✏✂✮❅✘✟✁✣☛s⑩

✦❺✏⑦✁➜✦☞✞❜❸❿☛✌✞❅✠☞➢✩✄

✜✑✏✒✢❃✏➅✜✣♦➈r❆❧♣✁✣➛➜✜✑✏✒✁❹✦✧✘✣⑧④☛☞✞✓✮❅✘✒✁✣☛☞✄✝✍✣✞❅✠☞✏✒✠☞♦✚✘✟☛➴✦✧✠☞✏✒✁✣☛✌q❪✘✒✠☞♦✩✏✒➃❅➟❝✞❅☛❑✍✣✄✝☛☞✮❅✠✌✞✡✦✧✏✒☛➞➌❪✠☞✞rq✑✞➞♠✗➟❝✞❅☛

✞❅☛✌➄✑✏✒✮✡✄➠✏✒✄✝☛

⑧❩➄✣✠✌✞❅✮✡✄✎☛✧✏⑦✠☞✞❅♦✚✘✟☛➝✞➞♠☎✏✒♦✚✄✎✁✑✏⑦✠■✦❺✏✒♦❛➀④➙❅♦➋✏✚➄➡✘✒☛☞☛☞✄✝➀✣✄✎✢✝✄✎✍✑✏⑦✍✣✞❸✍✑✏➅q❪✜✣✁✣➃✯✖⑦✘⑥✍✣✞✓✘✟✁✣✍✑✏✚♦❛✜✣✍✑✏⑦✠✂☛✌✞❅✜

☛☞✄✝✁✑✏✒✢❴➌❻❸✉⑥❱➇

➍ r♥✂♦✩✏❸➛➜✜✑✏✒✁❹✦✧✄✝✍✑✏✒✍✣✞❆➛❝✜☎✞➴♦❛✜✣✍✑✏❸☛✌✞❅✜➅☛☞✄✝✁✑✏✒✢☎☛✌✘✟➀❁✜✣♦✩✏❸✄✎✁❹✆✟✞✡✠☞☛☞✖✒✘⑤✞❅☛✌➄✑✏✒✮❅✄✎✏✒✢✣➙■✮❺↕✣✏✒♦⑥✏⑦✍✑✏

❼★❽❀årã➤î✞æ✙Þrí➻î✞æ✬â❐à✰îtæ➲Þrè➆àßñ✱êtâ➧Ýßårà✾éäå❷ê❷Þáàßñ➻ÞrçtÝßâ✄❾✤❿✐õ➲å➆è➆â❐ã➸åtÜ❦➀åràßã➡Þáàïå✐îtæ➲Þrè➆àßñ✱êtâ➧Ýßårà✾éäårç✞Ý✣àóÞûê❷Þáàßñ➻Þrç✞Ý✣â❙❾

❿✣➁r➂➃❿♣➄

❾✛➄

Þ❷ÝßàßÞûê❤➅❐Ü❇è➆å➸Ý✣â❐ç✙Ü✣årà❴ã✷➅➧Ý✣àßñÙé➧å ➂➆❿♣➄

ô✬åræ➐è➆â➇➀åràßã➡Þ➸Þáç➉➈rí✱åtòtÞ❙❾✤❿ ➁➊➂

❿♣➄✶❾

Referências

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