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✚✜✛✣✢✥✤✧✦✩★✍✪✬✫✭✪✬✮✩★✰✯✲✱✴✳✥✵✶★☎✱✭★☎✷✸✪✬✹✗✪✺✤✶✫✸✷✻✹✼✷✩✦

✽ ✫✾✦✥✤❀✿❂❁❃✹☎✪✺✤✧✫✸✷❄✫❆❅❇✪✺✮❈★❊❉❋✤●✷✾✢■❍✻❏▲❑✺✫✼✪✬✫■❁❃✫✸✵✏▼◆✪✬✹❖❁◗P

❘❊❙●❚☎❯❱❯✙❲❳❚☎❨✺❨◗❩❬❯

❭❳❪❴❫◆❫❆❵❛❫❝❜

(2)

③✏④❖⑤⑦⑥⑨⑧✗⑩☎❶❛❷❖❸❺❹❛❻❽❼❾⑤⑦⑥❇❿➁➀❃❷❖⑤➂⑧✗❹➃❼➄⑩➅❷❖❻❖⑧❖❹❛➆➇⑥➈❼➉❿➊❻❖⑧✗⑤➂❻❖➀➋④❖⑩✬➌➍❼➄④✗❹▲➎■⑤⑦❻➏❷➏➐✣➑➊❹❛➆➇❻❖❹❛➒♦➓❀➔❃❹❛➆➇⑥➇⑤⑦⑩❃❻➣→☎↔↕→➏↔⑦➙➜➛

⑥➇➝✸❹✲❶❛⑤⑦➞✼❶✲❿➊➒➂➒➠➟✗➡➢⑤➂❸➋➝❖➒➂❹❛❸❺❹❛❻➤❼➇⑥♦❻❖❹➥❼➦➌➢⑩❃➆➧➑➤⑤➂❻❖➀➋➝❖➆➇⑩❤❼➄⑩➏❶✲⑩❃➒⑦⑥✲➨✗➩✶⑩➏❶✲❷❖⑥➧❹✲⑧✍➝❖➆➇⑤⑦❸➫❿❤➆➇⑤➂➒➠➟➅⑩❃❻❳❼➄④❖❹➯➭➦❻❽❼➄❹❛➆➇❻❖❹➥❼➃➲❱➆➇⑩❤❼➄⑩➏❶✲⑩❃➒

➓✧➭➳➲❋➡➵↔✼➭➸❼❾⑤⑦⑥✏⑤➂❻❽❼➄❹❛❻❖⑧❖❹❛⑧➣❿➊⑥⑨❿➁❶✲⑩➊❸❺➝❖➒⑦❹❛❼➇❹➺➆➇❹❛➩✶❹❛➆➇❹❛❻❖❶✲❹➯➩✶⑩❃➆✏❹➥➐☎➝✸❹✲➆➧⑤➂❸➋❹✲❻❽❼➄❹❛➆➇⑥❇➌❇⑤⑦❼➄④❳⑩✬➔❃❹❛➆➧➔➏⑤➂❹➥➌❇⑥✲➨

➌➢❿➊➒➂➑❃➻➸❼➇④❖➆➇⑩➊❷❖➀❃④❖⑥❛➨✗⑥➇⑩➊❷❖➆➇❶❛❹➺❶✲⑩➏⑧❖❹➺❹➥➐☎➝❖➒➂❿➊❻✼❿❤❼➇⑤➂⑩❃❻❖⑥❛➨✗❿❤❻❖⑧✣❹➥➐✗❿➊❸➋➝❖➒➂❹❛⑥✲↔❱③✏④❖❹➃➞❖➆➇⑥➧❼❇➝❖❿➊➆➧❼➢❶✲⑩❃❻❽❼➉❿❤⑤➂❻❖⑥✏❿❤❻✣⑤➂❻☎➻➸⑧❖❹✲➝✗❼➇④

❹➥➐✗❿➊❸➋⑤➂❻❖❿❤❼➄⑤⑦⑩❃❻➼⑩➊➩✥❼➄④❖❹➯❶✲⑩➏⑧❖❹❤➨✼⑧✼❿❤❼➉❿➁⑥➈❼➄➆➇❷✗❶❛❼➄❷✗➆➇❹✲⑥❛➨✸❿➊❻❖⑧❳➩✶❷❖❻❖❶❛❼➇⑤➂⑩❃❻❖❿➊➒➂⑤➠❼➦➟➫⑤⑦❻➤➔➊⑩❃➒⑦➔➊❹✲⑧❳➌❇⑤⑦❼➇④✍❻✗❹❛❼➦➌➽⑩❃➆➇➑➤⑤➂❻✗➀❖↔

③✏④❖❹❛➆➇❹▲❿➊➆➇❹➺❶➉④✼❿❤➝✗❼➄❹❛➆➇⑥⑨⑩❃❻✰⑤⑦❻❖⑤⑦❼➇⑤➾❿➊➒⑦⑤➂➚✲❿❤❼➄⑤⑦⑩❃❻✾➨❃❶❛⑩❃❻❖❻❖❹❛❶❛❼➄⑤⑦⑩❃❻❖⑥⑨❿➊❻❖⑧✍⑥➇⑩➏❶➉➑➊❹➥❼➄⑥❛➨◆❿➊❻✗⑧✍➆➧❹✲❶❛❹✲⑤⑦➔➏⑤⑦❻❖➀❖➨❖❼➄➆➇❿➊❻❖⑥➧❸❺⑤➠❼➇❼➄⑤⑦❻❖➀❖➨

❿➊❻❖⑧❳➩✶⑩❃➆➈➌♦❿➊➆➧⑧❖⑤➂❻✗➀➁➝✼❿➊❶➉➑➊❹➥❼➄⑥❛↔➢③✏④❖❹➪⑥➇❹❛❶✲⑩❃❻❖⑧✍➝✼❿➊➆➈❼⑨❶✲⑩❃❻❽❼➉❿❤⑤➂❻❖⑥✏⑧❖❹➥❼➉❿➊⑤⑦➒➂❹❛⑧✍⑤⑦❻❖⑥➧❼➇➆➇❷❖❶➥❼➄⑤⑦⑩❃❻❖⑥♦➩✶⑩❃➆✏❸➋⑩☎⑧✗⑤⑦➞❖➟➏⑤➂❻✗➀➶❼➄④❖❹

➑➊❹❛➆➇❻❖❹❛➒❈⑥➇⑩❃❷❖➆➧❶✲❹➪❶✲⑩➏⑧❖❹➪❿➊❻❖⑧❳⑤➂❻✗⑥➧❼➉❿❤➒➂➒➂⑤⑦❻❖➀✕❻❖❹➥➌➍❸➋⑩☎⑧✗❷❖➒➂❹❛⑥✲↔❱③✏④❖❹❛➆➇❹▲❿➊➆➇❹➺❶➉④✼❿❤➝✗❼➄❹❛➆➇⑥⑨⑩❃❻✰➑❤❹✲➆➧❻❖❹✲➒❈⑤➂❻✗⑥➧❼➉❿❤➒➂➒➾❿◗❼➄⑤➂⑩➊❻✾➨

(3)

Ï Ð✲Ñ✸Ò✬Ó✺Ô■Õ✥Ö✩×➊Ò✺Ø✶Ô✸Ñ Ï

Ù❃Ú➠Ù Û♦Ü➊Ý➉Þ➤ß❃à➧á❃â❖ã❖ä Ú➪Ú➪Ú▲Ú➯Ú➪Ú▲Ú➪Ú▲Ú➪Ú➪Ú▲Ú➪Ú▲Ú➪Ú➯Ú▲Ú➪Ú➪Ú▲Ú➪Ú▲Ú➪Ú➪Ú▲Ú➪Ú➯Ú▲Ú➪Ú▲Ú➪Ú➪Ú▲Ú➪Ú▲Ú➪Ú Ù

Ù❃Úæå ç➃á☎Ý❛â❖è➋é✲ã❽ê❾ë➢á❃ã❽ì❃é❛ã➤ê➇í➂á❃ã✗î✭Ú➪Ú▲Ú➪Ú➪Ú▲Ú➪Ú▲Ú➪Ú➯Ú▲Ú➪Ú➪Ú▲Ú➪Ú▲Ú➪Ú➪Ú▲Ú➪Ú➯Ú▲Ú➪Ú▲Ú➪Ú➪Ú▲Ú➪Ú▲Ú➪Ú å

Ù❃Úðï ñ✗Ü➊è➋ò❖ó➂é➃ô❾é❛ê➦õ➽á❃à➧Þ❳ö❂÷✗Ü➊è➋ò❖ó⑦é Ú➪Ú➪Ú▲Ú➪Ú▲Ú➪Ú➯Ú▲Ú➪Ú➪Ú▲Ú➪Ú▲Ú➪Ú➪Ú▲Ú➪Ú➯Ú▲Ú➪Ú▲Ú➪Ú➪Ú▲Ú➪Ú▲Ú➪Ú å

Ù❃Úùø ë➢á❃ò❽ú➏à➇í➂ß➊û➤ê✲ü❆ý■í➂Ý✲é❛ã❖î➇é❤ü❆Ü➊ã❖ä✰ç➃í➂î➧Ý✲ó➾Ü❤í➂è➋é✲àþÚ➪Ú➯Ú▲Ú➪Ú➪Ú▲Ú➪Ú▲Ú➪Ú➪Ú▲Ú➪Ú➯Ú▲Ú➪Ú▲Ú➪Ú➪Ú▲Ú➪Ú▲Ú➪Ú ø

Ù❃Úæÿ ✡Ý➉Þ➤ã❖á✬õ❇ó➂é❛ä❖ß❃é❛è❺é❛ã➤ê➇î❴Ú➪Ú▲Ú➪Ú▲Ú➪Ú➪Ú▲Ú➪Ú▲Ú➪Ú➯Ú▲Ú➪Ú➪Ú▲Ú➪Ú▲Ú➪Ú➪Ú▲Ú➪Ú➯Ú▲Ú➪Ú▲Ú➪Ú➪Ú▲Ú➪Ú▲Ú➪Ú ø

✁ ✂☎✄✝✆✞✆✞✟✡✠☛✄✌☞➢Ó✍✟✏✎ ×✒✑✔✓✕✄➤Ó✍✓■Ø✖✄✘✗ ✙

å☎Ú➠Ù ✚✏û❖é➪ô❾é➥ê➦õ➢á❃à➧Þ✛✚✥à➇Ü✢✜➋Ý✤✣✥Ü❤ê➄û Ú➪Ú➪Ú▲Ú➪Ú▲Ú➪Ú➯Ú▲Ú➪Ú➪Ú▲Ú➪Ú▲Ú➪Ú➪Ú▲Ú➪Ú➯Ú▲Ú➪Ú▲Ú➪Ú➪Ú▲Ú➪Ú▲Ú➪Ú ✥

å☎Úæå ✚✏û❖é✦✣❱à➇á➊ê➇á☎Ý❛á❃ó❈ñ➏ê➄Ü➊Ý➉Þ Ú➪Ú▲Ú➪Ú▲Ú➪Ú➪Ú▲Ú➪Ú▲Ú➪Ú➯Ú▲Ú➪Ú➪Ú▲Ú➪Ú▲Ú➪Ú➪Ú▲Ú➪Ú➯Ú▲Ú➪Ú▲Ú➪Ú➪Ú▲Ú➪Ú▲Ú➪Ú ✧

å☎Úðï ✣❧Ü➊Ý➉Þ❤é❛ê➃ñ➏ê➄à➧â❖Ý❛ê➇â❖à➇é Ú➯Ú➪Ú▲Ú➪Ú▲Ú➪Ú➪Ú▲Ú➪Ú▲Ú➪Ú➯Ú▲Ú➪Ú➪Ú▲Ú➪Ú▲Ú➪Ú➪Ú▲Ú➪Ú➯Ú▲Ú➪Ú▲Ú➪Ú➪Ú▲Ú➪Ú▲Ú➪Ú ✧

å☎Úùø ★➦ã❽ê➄é✲à➧ã❖é❛ê✪✩❇á❃â✗ê➄í⑦ã❖ß Ú➯Ú➪Ú▲Ú➪Ú▲Ú➪Ú➪Ú▲Ú➪Ú▲Ú➪Ú➯Ú▲Ú➪Ú➪Ú▲Ú➪Ú▲Ú➪Ú➪Ú▲Ú➪Ú➯Ú▲Ú➪Ú▲Ú➪Ú➪Ú▲Ú➪Ú▲Ú➪Ú ✫

✬ ✭✮✄❽Ò✯✗✕Ô❆Ó✍✰ Ð✲Ñ✩Ø✶Ò✬Ø✖✟✲✱✧Ø✴✳✘✟✗Ò✺Ø✶Ô❝Ñ Ï❆Ï

ï✗Ú➠Ù ✵✡ì❃é✲à➈ì➏í➂é❛õ Ú➪Ú▲Ú➪Ú➪Ú▲Ú➯Ú➪Ú▲Ú➪Ú▲Ú➪Ú➪Ú▲Ú➪Ú▲Ú➪Ú➯Ú▲Ú➪Ú➪Ú▲Ú➪Ú▲Ú➪Ú➪Ú▲Ú➪Ú➯Ú▲Ú➪Ú▲Ú➪Ú➪Ú▲Ú➪Ú▲Ú➪Ú Ù❃Ù

ï✗Úæå ñ➏ê➉Ü❤à➧ê➄â✗ò Ú➪Ú▲Ú➪Ú➪Ú▲Ú➯Ú➪Ú▲Ú➪Ú▲Ú➪Ú➪Ú▲Ú➪Ú▲Ú➪Ú➯Ú▲Ú➪Ú➪Ú▲Ú➪Ú▲Ú➪Ú➪Ú▲Ú➪Ú➯Ú▲Ú➪Ú▲Ú➪Ú➪Ú▲Ú➪Ú▲Ú➪Ú Ù✺å

ï✗Úæå☎Ú⑦Ù ✚✏û✗é▲ô⑨é❛ê➦õ➽á❃à➇Þ✶★➦ã❖í➠ê➄í➂Ü➊ó➂í✸✷➜Ü❤ê➇í➂á❃ã➫ñ☎Ý✲à➧í➂ò✗ê Ú➪Ú➪Ú▲Ú➪Ú▲Ú➪Ú➪Ú▲Ú➪Ú➯Ú▲Ú➪Ú▲Ú➪Ú➪Ú▲Ú➪Ú▲Ú➪Ú Ù✺å

ï✗Úæå☎Ú↕å ✹✸✺✼✻✞✽✍✾✏✿✏❀✉Ú➪Ú▲Ú➯Ú➪Ú▲Ú➪Ú▲Ú➪Ú➪Ú▲Ú➪Ú▲Ú➪Ú➯Ú▲Ú➪Ú➪Ú▲Ú➪Ú▲Ú➪Ú➪Ú▲Ú➪Ú➯Ú▲Ú➪Ú▲Ú➪Ú➪Ú▲Ú➪Ú▲Ú➪Ú Ù✬ï

ï✗Úæå☎Úæï ❁✯✽❃❂✡❄❆❅➣Ú➪Ú➪Ú▲Ú➯Ú➪Ú▲Ú➪Ú▲Ú➪Ú➪Ú▲Ú➪Ú▲Ú➪Ú➯Ú▲Ú➪Ú➪Ú▲Ú➪Ú▲Ú➪Ú➪Ú▲Ú➪Ú➯Ú▲Ú➪Ú▲Ú➪Ú➪Ú▲Ú➪Ú▲Ú➪Ú Ù➜ø

ï✗Úæå☎Úðø ç✡ú➏ã✼Ü❤è❺í⑦Ý❇✩⑨á➊â✗ê➄í⑦ã❖ß❈✣❱à➇á❃ß❃à➇Ü➊è➋î Ú➪Ú➯Ú▲Ú➪Ú➪Ú▲Ú➪Ú▲Ú➪Ú➪Ú▲Ú➪Ú➯Ú▲Ú➪Ú▲Ú➪Ú➪Ú▲Ú➪Ú▲Ú➪Ú Ù✺ÿ

ï✗Úðï ö❧÷❖Ü❤è❺ò❖ó⑦é✲î Ú▲Ú➪Ú➪Ú▲Ú➯Ú➪Ú▲Ú➪Ú▲Ú➪Ú➪Ú▲Ú➪Ú▲Ú➪Ú➯Ú▲Ú➪Ú➪Ú▲Ú➪Ú▲Ú➪Ú➪Ú▲Ú➪Ú➯Ú▲Ú➪Ú▲Ú➪Ú➪Ú▲Ú➪Ú▲Ú➪Ú Ù✺ÿ

ï✗Úðï✗Ú⑦Ù ❉⑨á❃è➋é➪ë➢á❃è❺ò✗â✗ê➄é❛à Ú▲Ú➪Ú➪Ú▲Ú➪Ú▲Ú➪Ú➯Ú▲Ú➪Ú➪Ú▲Ú➪Ú▲Ú➪Ú➪Ú▲Ú➪Ú➯Ú▲Ú➪Ú▲Ú➪Ú➪Ú▲Ú➪Ú▲Ú➪Ú Ù✺ÿ

(4)

●✏❍❧❦ ♠❊❩❭❬♥❨✝♦✶♣✢❬✡qr❑▼▲❖◆❆P❘◗❚❙❱❯✶st❙✉◗❚❪❚❙❡♣✢❛❢✈✲❨✡❬✡✇❖◆❱❩❭◗❚❬✏①②❍❤❍✦❍✦❍❤❍✦❍❤❍✦❍✦❍❤❍✦❍❣❍❤❍✦❍❤❍✦❍✦❍❤❍✦❍❤❍✦❍ ✐❋③

●✏❍❧❦✡❍✸✐ ④✸⑤✼⑥✞⑦✍⑧✏⑨✏⑩✒❍✦❍❤❍❣❍✦❍❤❍✦❍❤❍✦❍✦❍❤❍✦❍❤❍✦❍❣❍❤❍✦❍✦❍❤❍✦❍❤❍✦❍✦❍❤❍✦❍❣❍❤❍✦❍❤❍✦❍✦❍❤❍✦❍❤❍✦❍ ✐❋❶

●✏❍❧❦✡❍❸❷ ❹✯⑦❃❺✡❻❆❼r❍✦❍✦❍❤❍❣❍✦❍❤❍✦❍❤❍✦❍✦❍❤❍✦❍❤❍✦❍❣❍❤❍✦❍✦❍❤❍✦❍❤❍✦❍✦❍❤❍✦❍❣❍❤❍✦❍❤❍✦❍✦❍❤❍✦❍❤❍✦❍ ❷❜❽

❾ ❿❤➀➂➁➃➁➅➄✝➆❜➇❋➈✖➀✕➁➃➉ ➊☛➊

❦✡❍➋✐ ➌✪➍❚▲✞❙➎➍❃❩❭▲❖P➏❍✦❍❤❍✦❍✦❍❤❍❣❍✦❍❤❍✦❍❤❍✦❍✦❍❤❍✦❍❤❍✦❍❣❍❤❍✦❍✦❍❤❍✦❍❤❍✦❍✦❍❤❍✦❍❣❍❤❍✦❍❤❍✦❍✦❍❤❍✦❍❤❍✦❍ ❷❚❷

❦✡❍❏❷ ➐✝◗❃✇➑❯❜▲❖◆➒➐❃◆❱❙❱❨✡✇➓◆❡❨✡❙✉▲✞①➔❍❣❍✦❍❤❍✦❍❤❍✦❍✦❍❤❍✦❍❤❍✦❍❣❍❤❍✦❍✦❍❤❍✦❍❤❍✦❍✦❍❤❍✦❍❣❍❤❍✦❍❤❍✦❍✦❍❤❍✦❍❤❍✦❍ ❷❚❷

❦✡❍■● ➐✝◗❃✇➑❯❜▲❖◆❱①✪♣✢❬✡qr❲❳◗❚❨✏◆❱❩❭❬✡❪ ❍❤❍✦❍❤❍✦❍✦❍❤❍✦❍❤❍✦❍❣❍❤❍✦❍✦❍❤❍✦❍❤❍✦❍✦❍❤❍✦❍❣❍❤❍✦❍❤❍✦❍✦❍❤❍✦❍❤❍✦❍ ❷❜●

❦✡❍❧❦ ❫❵◗❚❬✡❬✡▲❖✇❖◆❱❩❭◗❚❬✮st❙❱◗❃✇✞▲✞①✉①❱▲❖①✒❍❤❍✦❍❤❍✦❍✦❍❤❍✦❍❤❍✦❍❣❍❤❍✦❍✦❍❤❍✦❍❤❍✦❍✦❍❤❍✦❍❣❍❤❍✦❍❤❍✦❍✦❍❤❍✦❍❤❍✦❍ ❷✢❦

❦✡❍❧❦✡❍✸✐ →t①➎◆➑♣❜➣✡↔✸❩❭①✉↕✡❩❭❬✡❪❴❫❵◗❜❬✡❬✡▲✞✇➓◆❡❩✸◗❚❬✡①➙❍✦❍❤❍✦❍❣❍❤❍✦❍✦❍❤❍✦❍❤❍✦❍✦❍❤❍✦❍❣❍❤❍✦❍❤❍✦❍✦❍❤❍✦❍❤❍✦❍ ❷✢❦

❦✡❍❧❦✡❍❸❷ ➐❃◗✝✇➑❯✢▲❖◆➒❫➛♣❜↔❭↔➝➜➞♣❜↔✸❯✘➟➡➠➢↕✡❙❱◗❜❨✡❪❚↕➤❍❤❍✦❍❣❍❤❍✦❍✦❍❤❍✦❍❤❍✦❍✦❍❤❍✦❍❣❍❤❍✦❍❤❍✦❍✦❍❤❍✦❍❤❍✦❍ ❷❚➥

❦✡❍❧❦✡❍❏● ❫❵◗❜❬✡❬✡▲✞✇➓◆❇❫➛♣✢↔❭↔➝➜➞♣❜↔❭❯❚➟➡➠➢↕✡❙❱◗❚❨✏❪❚↕➦❍✦❍❣❍❤❍✦❍✦❍❤❍✦❍❤❍✦❍✦❍❤❍✦❍❣❍❤❍✦❍❤❍✦❍✦❍❤❍✦❍❤❍✦❍ ❷❚➥

❦✡❍❧❦✡❍■❦ ❫❵↔✸◗❚①❱❩✸❬✡❪❴❫❵◗❚❬✡❬✏▲✞✇❖◆❱❩❭◗❚❬✏① ❍✦❍❤❍✦❍❤❍✦❍❣❍❤❍✦❍✦❍❤❍✦❍❤❍✦❍✦❍❤❍✦❍❣❍❤❍✦❍❤❍✦❍✦❍❤❍✦❍❤❍✦❍ ❷❚➥

❦✡❍❧❦✡❍❸➥ ❫❵↔✸◗❚①❱▲❇➜➞♣❜↔❭❯❚➟➡➠➢↕✡❙❱◗❚❨✏❪❚↕ ❍✦❍❤❍✦❍❤❍✦❍❣❍❤❍✦❍✦❍❤❍✦❍❤❍✦❍✦❍❤❍✦❍❣❍❤❍✦❍❤❍✦❍✦❍❤❍✦❍❤❍✦❍ ❷❜➧

❦✡❍❏➥ ♠❊❩❭❬♥❨✝♦✶✈✲❨✡❬✏✇❖◆❡❩✸◗❚❬✡①❞❍❤❍❣❍✦❍❤❍✦❍❤❍✦❍✦❍❤❍✦❍❤❍✦❍❣❍❤❍✦❍✦❍❤❍✦❍❤❍✦❍✦❍❤❍✦❍❣❍❤❍✦❍❤❍✦❍✦❍❤❍✦❍❤❍✦❍ ❷❜➧

➨ ➩➫➄❃➁➃➭➯➈✖➁➅➲➵➳☎➄✝➉✞➉✞➸✡➲☛➄❃➉ ➊☛➺

➥✝❍➋✐ ➌✪➍❚▲✞❙➎➍❃❩❭▲❖P➏❍✦❍❤❍✦❍✦❍❤❍❣❍✦❍❤❍✦❍❤❍✦❍✦❍❤❍✦❍❤❍✦❍❣❍❤❍✦❍✦❍❤❍✦❍❤❍✦❍✦❍❤❍✦❍❣❍❤❍✦❍❤❍✦❍✦❍❤❍✦❍❤❍✦❍ ❷❜❶

➥✝❍❏❷ ➐✝▲✞❬✏q✡❩❭❬✡❪✔➜➞♣❜↔❭❯❚➟➡➠➢↕✡❙❱◗❚❨✏❪❚↕➻❍✦❍❤❍✦❍✦❍❤❍✦❍❤❍✦❍❣❍❤❍✦❍✦❍❤❍✦❍❤❍✦❍✦❍❤❍✦❍❣❍❤❍✦❍❤❍✦❍✦❍❤❍✦❍❤❍✦❍ ❷❜❶

➥✝❍❏❷✝❍✸✐ ➜➼❙❱❩➋◆❡❩✸❬✡❪✤◆❡◗❞♣❴➐✝◗❃✇➑❯❜▲❖◆✌❍✦❍✦❍❤❍✦❍❤❍✦❍❣❍❤❍✦❍✦❍❤❍✦❍❤❍✦❍✦❍❤❍✦❍❣❍❤❍✦❍❤❍✦❍✦❍❤❍✦❍❤❍✦❍ ❷❜❶

➥✝❍❏❷✝❍❸❷ ❫❵❙✉▲➽♣✢◆❱❩❭❬✡❪❴♣❈s➾♣✢✇➑❯❜▲❖◆➚P❳❩✸◆❱↕✮➪➚➶❇s➏❍✦❍❣❍❤❍✦❍✦❍❤❍✦❍❤❍✦❍✦❍❤❍✦❍❣❍❤❍✦❍❤❍✦❍✦❍❤❍✦❍❤❍✦❍ ●✏✐

➥✝❍❏❷✝❍❏● ❫❵❙✉▲➽♣✢◆❱❩❭❬✡❪❴♣❈s➾♣✢✇➑❯❜▲❖◆➚P❳❩✸◆❱↕➹➠▼❫➛s➘❍✦❍❣❍❤❍✦❍✦❍❤❍✦❍❤❍✦❍✦❍❤❍✦❍❣❍❤❍✦❍❤❍✦❍✦❍❤❍✦❍❤❍✦❍ ●✏✐

➥✝❍❏❷✝❍■❦ ➜➼❙❡♣✢❝✡❝✡❩❭❬✏❪❞♣❈s➯♣❜✇➑❯❜▲➓◆➒❩❭❬✛➴➷s➬❍✦❍❤❍✦❍❣❍❤❍✦❍✦❍❤❍✦❍❤❍✦❍✦❍❤❍✦❍❣❍❤❍✦❍❤❍✦❍✦❍❤❍✦❍❤❍✦❍ ●✏✐

➥✝❍❏❷✝❍❸➥ ➠➃❙❡♣✢❬✡①❱❛❴❩✸◆✉◆❡❩❭❬✏❪✔♣❞s➯♣❜✇➑❯❜▲➓◆ ❍❤❍✦❍❤❍✦❍❣❍❤❍✦❍✦❍❤❍✦❍❤❍✦❍✦❍❤❍✦❍❣❍❤❍✦❍❤❍✦❍✦❍❤❍✦❍❤❍✦❍ ●✘❷

➥✝❍■● ♠❊❩❭❬♥❨✝♦✶✈✲❨✡❬✏✇❖◆❡❩✸◗❚❬✡①❞❍❤❍❣❍✦❍❤❍✦❍❤❍✦❍✦❍❤❍✦❍❤❍✦❍❣❍❤❍✦❍✦❍❤❍✦❍❤❍✦❍✦❍❤❍✦❍❣❍❤❍✦❍❤❍✦❍✦❍❤❍✦❍❤❍✦❍ ●✘❷

➮ ➱✃➄❃➆❚➄❃➈✴❐➅➈✖➁➅➲➞➳☎➄❃➉➽➉✞➸✡➲☛➄❃➉ ❒☛➨

➧✏❍➋✐ ➌✪➍❚▲✞❙➎➍❃❩❭▲❖P➏❍✦❍❤❍✦❍✦❍❤❍❣❍✦❍❤❍✦❍❤❍✦❍✦❍❤❍✦❍❤❍✦❍❣❍❤❍✦❍✦❍❤❍✦❍❤❍✦❍✦❍❤❍✦❍❣❍❤❍✦❍❤❍✦❍✦❍❤❍✦❍❤❍✦❍ ●✘➥

(5)

❰✏Ï❏Ð✝Ï❸Ð Ò❳Ó✞ß❖Ó✞Ö➋è✝Ö✸×✡Ø❴Ô❈ã➾Ô❜ß➑à✢Ó❖áéÏ✦Ï✦Ï❤Ï✦Ï❤Ï✦Ï❣Ï❤Ï✦Ï✦Ï❤Ï✦Ï❤Ï✦Ï✦Ï❤Ï✦Ï❣Ï❤Ï✦Ï❤Ï✦Ï✦Ï❤Ï✦Ï❤Ï✦Ï æ✘ç

❰✏Ï❏Ð✝Ï❏æ Ò❳ê✡×✡×✏Ö❭×✡Ø✔á❡ë✏Ó❤ì▼Ó❖á❆í❘Û❚Ú❱àïî✉ð❵Û❜á❱á❱Û❚ÜÝñ➚Ô❜ò✸Ù✉óôÏ❤Ï✦Ï❤Ï✦Ï✦Ï❤Ï✦Ï❣Ï❤Ï✦Ï❤Ï✦Ï✦Ï❤Ï✦Ï❤Ï✦Ï æ✘ç

❰✏Ï❏Ð✝Ï■õ ö▼×✘í❳Ú❡Ô❜÷✡÷✏Ö❭×✡Ø❞Ô❈ã➾Ô❜ß➑à✢Ó❖á➒Ö✸×✛ä➷ã Ï✦Ï❣Ï❤Ï✦Ï✦Ï❤Ï✦Ï❤Ï✦Ï✦Ï❤Ï✦Ï❣Ï❤Ï✦Ï❤Ï✦Ï✦Ï❤Ï✦Ï❤Ï✦Ï æ❚ø

❰✏Ï❏Ð✝Ï❸ù ú➚ß✞ß❖Ó✞÷✏á❱Ö❭×✡Ø❞Ô❈ã➾Ô❜ß➑à✢Ó❖á➒Ö✸×➹ö✪û❇ã Ï✦Ï❣Ï❤Ï✦Ï✦Ï❤Ï✦Ï❤Ï✦Ï✦Ï❤Ï✦Ï❣Ï❤Ï✦Ï❤Ï✦Ï✦Ï❤Ï✦Ï❤Ï✦Ï æ❚ø

❰✏Ï❏Ð✝Ï❏❰ ú➚ß✞ß❖Ó✞÷✏á❱Ö❭×✡Ø❞Ô❈ã➾Ô❜ß➑à✢Ó❖á➒Ö✸×✶ü▼ý➛ã Ï✦Ï❣Ï❤Ï✦Ï✦Ï❤Ï✦Ï❤Ï✦Ï✦Ï❤Ï✦Ï❣Ï❤Ï✦Ï❤Ï✦Ï✦Ï❤Ï✦Ï❤Ï✦Ï æ❚ø

❰✏Ï❏Ð✝Ï❸ç Ò❳Ó➽Ô✢Õ✡Ö❭×✡Ø✔Ù✴Ú✉Û❚ÜÝÔ❴Þ✝Û❃ß➑à❜Ó➓á✔â✖ã➾Ô❜Ú➎á➚ä✉ä➎årÏ❤Ï✦Ï✦Ï❤Ï✦Ï❤Ï✦Ï✦Ï❤Ï✦Ï❣Ï❤Ï✦Ï❤Ï✦Ï✦Ï❤Ï✦Ï❤Ï✦Ï æ❚ø

❰✏Ï■æ þ❊Ö❭×♥ê✝ÿ✁✲ê✡×✏ß❖á❡Ö✸Û❚×✄✂❞Ï❤Ï❣Ï✦Ï❤Ï✦Ï❤Ï✦Ï✦Ï❤Ï✦Ï❤Ï✦Ï❣Ï❤Ï✦Ï✦Ï❤Ï✦Ï❤Ï✦Ï✦Ï❤Ï✦Ï❣Ï❤Ï✦Ï❤Ï✦Ï✦Ï❤Ï✦Ï❤Ï✦Ï æ✆☎

✝ ✞✠✟☛✡✌☞✎✍✑✏✓✒✔✍✖✕✘✗✚✙✘✛ ✜✣✢

ç✝Ï➋Ñ ✤✪è❚Ó✞Ú➎è❃Ö❭Ó❖í➏Ï✦Ï❤Ï✦Ï✦Ï❤Ï❣Ï✦Ï❤Ï✦Ï❤Ï✦Ï✦Ï❤Ï✦Ï❤Ï✦Ï❣Ï❤Ï✦Ï✦Ï❤Ï✦Ï❤Ï✦Ï✦Ï❤Ï✦Ï❣Ï❤Ï✦Ï❤Ï✦Ï✦Ï❤Ï✦Ï❤Ï✦Ï õ♥Ð

ç✝Ï❏Ð ä➷ã✥✲Û❚Ú✉í❵Ô❜Ú✉Õ✁✦➞Ô❜ò✸à★✧➡ü➢ë✡Ú❱Û❜ê✡Ø❚ë Ï✦Ï✦Ï❤Ï✦Ï❤Ï✦Ï❣Ï❤Ï✦Ï✦Ï❤Ï✦Ï❤Ï✦Ï✦Ï❤Ï✦Ï❣Ï❤Ï✦Ï❤Ï✦Ï✦Ï❤Ï✦Ï❤Ï✦Ï õ❚õ

ç✝Ï❏Ð✝Ï✸Ñ Ò❳Ó✞ß❖Ó✞Ö➋è✝Ö✸×✡Ø❴Ô❈ã➾Ô❜ß➑à✢Ó❖áéÏ✦Ï✦Ï❤Ï✦Ï❤Ï✦Ï❣Ï❤Ï✦Ï✦Ï❤Ï✦Ï❤Ï✦Ï✦Ï❤Ï✦Ï❣Ï❤Ï✦Ï❤Ï✦Ï✦Ï❤Ï✦Ï❤Ï✦Ï õ❚õ

ç✝Ï❏Ð✝Ï❸Ð Ò❳ê✡×✡×✏Ö❭×✡Ø✔á❡ë✏Ó❤ì▼Ó❖á❆í❘Û❚Ú❱àïî✉ð❵Û❜á❱á❱Û❚ÜÝñ➚Ô❜ò✸Ù✉óôÏ❤Ï✦Ï❤Ï✦Ï✦Ï❤Ï✦Ï❣Ï❤Ï✦Ï❤Ï✦Ï✦Ï❤Ï✦Ï❤Ï✦Ï õ❚õ

ç✝Ï❏Ð✝Ï❏æ ✩➾ÿ✏Ô❜Ü❴Ö❭×✡Ö✸×✡Ø❈Ô❈ã➾Ô❜ß➑à✢Ó❖á✪Ö❭×✛ä➷ã Ï❤Ï✦Ï❣Ï❤Ï✦Ï✦Ï❤Ï✦Ï❤Ï✦Ï✦Ï❤Ï✦Ï❣Ï❤Ï✦Ï❤Ï✦Ï✦Ï❤Ï✦Ï❤Ï✦Ï õ❚õ

ç✝Ï❏Ð✝Ï■õ ✲Û❚Ú➎í➛Ô✢Ú❱Õ✡Ö✸×✡Ø❈Ô❞ã➯Ô❜ß➑à❜Ó➓á✪Ö✸×✶ä➷ã Ï❤Ï✦Ï❣Ï❤Ï✦Ï✦Ï❤Ï✦Ï❤Ï✦Ï✦Ï❤Ï✦Ï❣Ï❤Ï✦Ï❤Ï✦Ï✦Ï❤Ï✦Ï❤Ï✦Ï õ♥ù

ç✝Ï❏Ð✝Ï❸ù ü➃Ú❡Ô✢×✄✂❱Ü❴Ö✸á✉á❡Ö❭×✏Ø✔Ô❞ã➯Ô❜ß➑à❜Ó➓á Ï❤Ï✦Ï❤Ï✦Ï❣Ï❤Ï✦Ï✦Ï❤Ï✦Ï❤Ï✦Ï✦Ï❤Ï✦Ï❣Ï❤Ï✦Ï❤Ï✦Ï✦Ï❤Ï✦Ï❤Ï✦Ï õ♥ù

ç✝Ï■æ þ❊Ö❭×♥ê✝ÿ✁✲ê✡×✏ß❖á❡Ö✸Û❚×✄✂❞Ï❤Ï❣Ï✦Ï❤Ï✦Ï❤Ï✦Ï✦Ï❤Ï✦Ï❤Ï✦Ï❣Ï❤Ï✦Ï✦Ï❤Ï✦Ï❤Ï✦Ï✦Ï❤Ï✦Ï❣Ï❤Ï✦Ï❤Ï✦Ï✦Ï❤Ï✦Ï❤Ï✦Ï õ♥ù

✪ ✫

✒✭✬✮✗✚✯✰✞✠✙✣✱✑✲✳✍✴✙✌✲✳✱✵✟✶✍✷☞✎✱✮☞✸✯✆☞✺✹✼✻✽☞✺✾✸✱✷✗✚✙✘✛ ✜✣✿

ø✏Ï➋Ñ ✤✪è❚Ó✞Ú➎è❃Ö❭Ó❖í➏Ï✦Ï❤Ï✦Ï✦Ï❤Ï❣Ï✦Ï❤Ï✦Ï❤Ï✦Ï✦Ï❤Ï✦Ï❤Ï✦Ï❣Ï❤Ï✦Ï✦Ï❤Ï✦Ï❤Ï✦Ï✦Ï❤Ï✦Ï❣Ï❤Ï✦Ï❤Ï✦Ï✦Ï❤Ï✦Ï❤Ï✦Ï õ★☎

ø✏Ï❏Ð Ò▼Û❜ê✏á❡Ö✸×✡Ø✔ü➾Ô✖❀✡ò❭Ó✠✂ Ï❤Ï❣Ï✦Ï❤Ï✦Ï❤Ï✦Ï✦Ï❤Ï✦Ï❤Ï✦Ï❣Ï❤Ï✦Ï✦Ï❤Ï✦Ï❤Ï✦Ï✦Ï❤Ï✦Ï❣Ï❤Ï✦Ï❤Ï✦Ï✦Ï❤Ï✦Ï❤Ï✦Ï ù✝Ñ

ø✏Ï❏Ð✝Ï✸Ñ ü➢ë✏Ó❤ì▼Ó✞Ö✸Ø❚ë✳❀➂Û❚Ú➢ü➯Ô❁❀✡ò✸Ó Ï✦Ï❤Ï✦Ï❤Ï✦Ï❣Ï❤Ï✦Ï✦Ï❤Ï✦Ï❤Ï✦Ï✦Ï❤Ï✦Ï❣Ï❤Ï✦Ï❤Ï✦Ï✦Ï❤Ï✦Ï❤Ï✦Ï ù✝Ñ

ø✏Ï❏Ð✝Ï❸Ð ü➢ë✏Ó❂✲Û❚Ú➎í➛Ô✢Ú❱Õ✡Ö✸×✡Ø❈ä❆×✏Ù✴Û❚Ú❱Ü❞Ô✢á❱Ö❭Û❚×✛ð❵Ô❁✂❱Ó Ï✦Ï✦Ï❤Ï✦Ï❤Ï✦Ï✦Ï❤Ï✦Ï❣Ï❤Ï✦Ï❤Ï✦Ï✦Ï❤Ï✦Ï❤Ï✦Ï ù❚Ð

ø✏Ï❏Ð✝Ï❏æ ü➢ë✏Ó❤Ò❳Û❚ê✏á❱Ö❭×✡Ø❞ý➛Ô❜ß➑ë✏ÓïÏ✦Ï✦Ï❤Ï✦Ï❤Ï✦Ï❣Ï❤Ï✦Ï✦Ï❤Ï✦Ï❤Ï✦Ï✦Ï❤Ï✦Ï❣Ï❤Ï✦Ï❤Ï✦Ï✦Ï❤Ï✦Ï❤Ï✦Ï ù❜❰

ø✏Ï❏Ð✝Ï■õ ö▼÷➂Õ✡Ô✢á❡Ö✸×✡Ø❈Ò▼Û❜ê✏á❡Ö✸×✡Ø❈ä❆×✏Ù✴Û❚Ú❱Ü❞Ô✢á❱Ö❭Û❚×✶Ï❣Ï❤Ï✦Ï✦Ï❤Ï✦Ï❤Ï✦Ï✦Ï❤Ï✦Ï❣Ï❤Ï✦Ï❤Ï✦Ï✦Ï❤Ï✦Ï❤Ï✦Ï ❰✆❃

ø✏Ï■æ þ❊Ö❭×♥ê✝ÿ✁✲ê✡×✏ß❖á❡Ö✸Û❚×✄✂❞Ï❤Ï❣Ï✦Ï❤Ï✦Ï❤Ï✦Ï✦Ï❤Ï✦Ï❤Ï✦Ï❣Ï❤Ï✦Ï✦Ï❤Ï✦Ï❤Ï✦Ï✦Ï❤Ï✦Ï❣Ï❤Ï✦Ï❤Ï✦Ï✦Ï❤Ï✦Ï❤Ï✦Ï ❰✆❃

✿ ❄✽❅✌✙✘✒✄❆❇✗❈✯✁✻✽☞✺✾✸✱✷✗❈✙✌✛❉✏❊✗❋✱✷●■❍❑❏▼▲✄◆P❖❘◗ ❙✎❚

(6)

❯✔❱❳❲♥❱♣♦ qsr✴t✉r✇✈▼t①❤①②✄③❑t④②✄❤❥⑤❘❦⑥❱✶❱❂❱✶❱✶❱❂❱✶❱❂❱✶❱❧❱❂❱✶❱✶❱❂❱✶❱❂❱✶❱✶❱❂❱✶❱❧❱❂❱✶❱❂❱✶❱✶❱❂❱✶❱❂❱✶❱ ♠✆♠

❯✔❱❳❲♥❱⑦❲ ⑧P⑨✔⑩♣t④⑩❶r❁❷❶⑩♣❸✮r✖t①⑩❶❩✆⑨✵❱✶❱❂❱✶❱❂❱✶❱✶❱❂❱✶❱❂❱✶❱❧❱❂❱✶❱✶❱❂❱✶❱❂❱✶❱✶❱❂❱✶❱❧❱❂❱✶❱❂❱✶❱✶❱❂❱✶❱❂❱✶❱ ♠✆♠

❯✔❱❳❲♥❱❳❹ ❺❻❩✆❤①❼❢r❁❷❾❽s❿✺⑤❘❤①r✖t④⑩♣❩✆⑨✄❦❫❱✶❱✶❱❂❱✶❱❂❱✶❱❧❱❂❱✶❱✶❱❂❱✶❱❂❱✶❱✶❱❂❱✶❱❧❱❂❱✶❱❂❱✶❱✶❱❂❱✶❱❂❱✶❱ ♠★➀

❯✔❱➁❹ ❪❑❴▼❛✔❜➂❝❘❞✽➃✭②✄⑨✄③❑t④⑩❶❩❁⑨✄❦ ❱❧❱✶❱❂❱✶❱❂❱✶❱✶❱❂❱✶❱❂❱✶❱❧❱❂❱✶❱✶❱❂❱✶❱❂❱✶❱✶❱❂❱✶❱❧❱❂❱✶❱❂❱✶❱✶❱❂❱✶❱❂❱✶❱ ♠★➀

➄✳➅⑥➆s➇✘➈➊➉✷➈✚➋✌➌❣➍✼➈❈➋➏➎✌➐➒➑➏➓✣➎✌➔✴→✆➣↕↔❂➓✸➇✌➣ ➙➏➄

♦✑➛✔❱➜♦➞➝➠➟✄⑤✶➡✸⑩❶⑨✳②♥➢➤✈♥❩❁②✄❤①③✠⑤✶➝✘❤①⑤✠⑤➥❱✶❱❂❱✶❱✶❱❂❱✶❱❂❱✶❱❧❱❂❱✶❱✶❱❂❱✶❱❂❱✶❱✶❱❂❱✶❱❧❱❂❱✶❱❂❱✶❱✶❱❂❱✶❱❂❱✶❱ ➀♥♦

♦✑➛✔❱❳❲✥➦❬❦❥⑩❶⑨✄➧✵➨✼➩➤➫❻➭➠✈✰➝➯r❁➧✆❦❻❱✶❱❂❱✶❱❂❱✶❱✶❱❂❱✶❱❂❱✶❱❧❱❂❱✶❱✶❱❂❱✶❱❂❱✶❱✶❱❂❱✶❱❧❱❂❱✶❱❂❱✶❱✶❱❂❱✶❱❂❱✶❱ ➀✆❲

♦✑➛✔❱❳❲♥❱➜♦➳➲➵⑤✠➸➊⑤✠❤①⑤✠⑨✄③❘⑩♣⑨✄➧✵❭➵⑩➜t④➟✁➝✘➫❻➺❂✈ ❱✶❱❂❱✶❱❧❱❂❱✶❱✶❱❂❱✶❱❂❱✶❱✶❱❂❱✶❱❧❱❂❱✶❱❂❱✶❱✶❱❂❱✶❱❂❱✶❱ ➀✆❲

♦✑➛✔❱❳❲♥❱❳❲➻➭➼❩❁⑨✄❦❥t①❤①②✄③❑t④⑩❶⑨✔➧❢➝✘➫❻➺❂✈✽➽✭❷♣⑤❘❦➾❱✶❱❂❱✶❱❧❱❂❱✶❱✶❱❂❱✶❱❂❱✶❱✶❱❂❱✶❱❧❱❂❱✶❱❂❱✶❱✶❱❂❱✶❱❂❱✶❱ ➀✆❲

♦✑➛✔❱➁❹➒➦❬❦❥⑩❶⑨✄➧➪➚▼⑩❾t✉r❁➧❁❦ ❱✶❱❂❱❧❱✶❱❂❱✶❱❂❱✶❱✶❱❂❱✶❱❂❱✶❱❧❱❂❱✶❱✶❱❂❱✶❱❂❱✶❱✶❱❂❱✶❱❧❱❂❱✶❱❂❱✶❱✶❱❂❱✶❱❂❱✶❱ ➀❁❹

♦✑➛✔❱➹➶➘➲❻⑤✠➴✄②✄⑩♣❷❶➷✄⑩♣⑨✄➧➬t④➟✔⑤❂➮s⑤✠❤①⑨✄⑤✠❷ ❱✶❱❂❱✶❱✶❱❂❱✶❱❂❱✶❱❧❱❂❱✶❱✶❱❂❱✶❱❂❱✶❱✶❱❂❱✶❱❧❱❂❱✶❱❂❱✶❱✶❱❂❱✶❱❂❱✶❱ ➀❁❹

♦✑➛✔❱❳➱✥✃❐r✖t①③✉➟✄⑩❶⑨✔➧✇t①➟✄⑤✶➮s⑤❘❤①⑨✔⑤❘❷➯✈♥❩✆②✄❤❥③❘⑤ ❱✶❱❂❱✶❱❂❱✶❱❧❱❂❱✶❱✶❱❂❱✶❱❂❱✶❱✶❱❂❱✶❱❧❱❂❱✶❱❂❱✶❱✶❱❂❱✶❱❂❱✶❱ ➀✆➱

➄✎➄❒➍❮➈✚➋❾➎✸➐✥❰Ï➓✸➇✘➎✘Ð✚➣▼Ñ ➙✎➙

♦✆♦✆❱➜♦■❽Ò➚✆⑤❘❤Ó➚▼⑩❶⑤✠❭Ô❱✶❱❂❱✶❱✶❱❂❱❧❱✶❱❂❱✶❱❂❱✶❱✶❱❂❱✶❱❂❱✶❱❧❱❂❱✶❱✶❱❂❱✶❱❂❱✶❱✶❱❂❱✶❱❧❱❂❱✶❱❂❱✶❱✶❱❂❱✶❱❂❱✶❱ ➀✆➀

♦✆♦✆❱❳❲Õ❡❣❤❥⑩♣t①⑩❶⑨✄➧✄Ö▼⑧P⑨✄❦Ót✉r❁❷♣❷❶⑩❶⑨✔➧✄Ö✄r❁⑨✔➷×➲➵⑤❘❼✵❩✑➚♥⑩♣⑨✄➧✵➩➤❩▼➷✄②✄❷♣⑤❘❦➪❱✶❱❂❱✶❱❂❱✶❱✶❱❂❱✶❱❧❱❂❱✶❱❂❱✶❱✶❱❂❱✶❱❂❱✶❱ ➀✆➀

♦✆♦✆❱❳❲♥❱➜♦Ø❡↕❤①⑩➜t④⑩♣⑨✄➧✇➩➤❩▼➷✄②✄❷♣⑤❘❦ ❱❂❱✶❱✶❱❂❱✶❱❂❱✶❱❧❱❂❱✶❱✶❱❂❱✶❱❂❱✶❱✶❱❂❱✶❱❧❱❂❱✶❱❂❱✶❱✶❱❂❱✶❱❂❱✶❱ ➀✆➀

♦✆♦✆❱❳❲♥❱❳❲Ù⑧P⑨✔❦❥t✉r✖❷❶❷❶⑩♣⑨✄➧➪r❁⑨✔➷×➲➵⑤❘❼✵❩✑➚♥⑩♣⑨✄➧✵➩➤❩▼➷✄②✄❷♣⑤❘❦Ú❱✶❱✶❱❂❱✶❱❂❱✶❱✶❱❂❱✶❱❧❱❂❱✶❱❂❱✶❱✶❱❂❱✶❱❂❱✶❱ ➀❁Û

♦✆♦✆❱➁❹➒➨❐➢✄r✖❼❢❿✄❷♣⑤Ü❱✶❱❂❱✶❱✶❱❂❱❧❱✶❱❂❱✶❱❂❱✶❱✶❱❂❱✶❱❂❱✶❱❧❱❂❱✶❱✶❱❂❱✶❱❂❱✶❱✶❱❂❱✶❱❧❱❂❱✶❱❂❱✶❱✶❱❂❱✶❱❂❱✶❱ ➀❁❯

➄▼Ý⑥Þ➬ß✌➣❒à ❪❵❴♥á❂â

➈✚Ð✚➣❉➑➏ã✸Ñ✠➉✑➣▼ä å✸➄

♦✷❲♥❱➜♦■❽Ò➚✆⑤❘❤Ó➚▼⑩❶⑤✠❭Ô❱✶❱❂❱✶❱✶❱❂❱❧❱✶❱❂❱✶❱❂❱✶❱✶❱❂❱✶❱❂❱✶❱❧❱❂❱✶❱✶❱❂❱✶❱❂❱✶❱✶❱❂❱✶❱❧❱❂❱✶❱❂❱✶❱✶❱❂❱✶❱❂❱✶❱ Û✔♦

♦✷❲♥❱❳❲✥❺❬⑤❑tP❭➼❩✆❤❥✐ à ❪❑❴▼á❬➃❐⑩♣❷❶⑤❘❦æ❱✶❱❂❱✶❱❂❱✶❱✶❱❂❱✶❱❂❱✶❱❧❱❂❱✶❱✶❱❂❱✶❱❂❱✶❱✶❱❂❱✶❱❧❱❂❱✶❱❂❱✶❱✶❱❂❱✶❱❂❱✶❱ Û★❲

♦✷❲♥❱➁❹➒➲❻⑤✠➧✆⑩❶❦Ót④⑤✠❤①⑩❶⑨✔➧ à ❪❑❴▼á❬➃❐⑩❶❷♣⑤❘❦❬❱❂❱✶❱❂❱✶❱✶❱❂❱✶❱❂❱✶❱❧❱❂❱✶❱✶❱❂❱✶❱❂❱✶❱✶❱❂❱✶❱❧❱❂❱✶❱❂❱✶❱✶❱❂❱✶❱❂❱✶❱ Û★❲

♦✷❲♥❱➁❹✔❱➜♦➳➃✭❩✆❤❥❼❊r✴t①t④⑩♣⑨✄➧➪r✇➃✭②✄⑨✄③❑t④⑩❶❩❁⑨✁t①❩✵✃ç❤❥❩✑➚♥⑩♣➷✄⑤❧⑧P⑨✔➸➊❩✆❤❥❼❊r✖t①⑩❶❩✆⑨➥❱❂❱✶❱❧❱❂❱✶❱❂❱✶❱✶❱❂❱✶❱❂❱✶❱ Û✆❹

♦✷❲♥❱➁❹✔❱❳❲éè❮②✄⑩❶❷♣➷✄⑩❶⑨✄➧✓r à ❪❑❴▼áê➨ë⑨★t④❤Óì ❱❂❱✶❱❂❱✶❱❧❱❂❱✶❱✶❱❂❱✶❱❂❱✶❱✶❱❂❱✶❱❧❱❂❱✶❱❂❱✶❱✶❱❂❱✶❱❂❱✶❱ Û✆❹

♦✷❲♥❱➁❹✔❱➁❹➻➲➵⑤❘➧❁⑩❶❦❥t①⑤❘❤❥⑩❶⑨✄➧✇r à ❪❵❴♥áÒ➨ë⑨★t④❤❥ì➻❱✶❱❂❱✶❱❧❱❂❱✶❱✶❱❂❱✶❱❂❱✶❱✶❱❂❱✶❱❧❱❂❱✶❱❂❱✶❱✶❱❂❱✶❱❂❱✶❱ Û❁➶

(7)

û▼ü×ýÒþ✸ÿ✁✄✂✆☎✞✝✠✟☛✡êÿ✌☞✎✍✏✝✒✑✔✓✖✕✎✗✏✂✘✂✙✝✚✕ ✛✏✛

ï✢✜✔ñ➜ï✤✣✦✥✆ù★✧✩✥✫✪❶ù✭✬Ôñ✶ñ❂ñ✶ñ✶ñ❂ñ❧ñ✶ñ❂ñ✶ñ❂ñ✶ñ✶ñ❂ñ✶ñ❂ñ✶ñ❧ñ❂ñ✶ñ✶ñ❂ñ✶ñ❂ñ✶ñ✶ñ❂ñ✶ñ❧ñ❂ñ✶ñ❂ñ✶ñ✶ñ❂ñ✶ñ❂ñ✶ñ ú✆ú

ï✢✜✔ñ❳ð✯✮✱✰✳✲✌✴✵✪✷✶✄ù✭✧④õ✹✸✺✪✷✰✳✲✌✴ ñ❂ñ❧ñ✶ñ❂ñ✶ñ❂ñ✶ñ✶ñ❂ñ✶ñ❂ñ✶ñ❧ñ❂ñ✶ñ✶ñ❂ñ✶ñ❂ñ✶ñ✶ñ❂ñ✶ñ❧ñ❂ñ✶ñ❂ñ✶ñ✶ñ❂ñ✶ñ❂ñ✶ñ ú✆ú

ï✢✜✔ñ✻✜➒ó❐ô✔÷✺ù★✧✵✪❶ö✵ù★✲✒✸✉õ✖ø✽✼✫✾✫✴✵✸①ù❘ö✔✴Òõ✿✲❀✶❂❁➼ù✭✲✌❃❅❄✄ö❢õ✿✧✺❆✚✴✵ñ❂ñ✶ñ✶ñ❂ñ✶ñ❂ñ✶ñ✶ñ❂ñ✶ñ❧ñ❂ñ✶ñ❂ñ✶ñ✶ñ❂ñ✶ñ❂ñ✶ñ ú✳❇

ï✢✜✔ñ➹ò❉❈❻ù✭✴✺❊✄ø❋✸●✴❻õ✿✲✌✶✠❍✙✧①ù✠ø✷✪♣ö■✪❏✲✭õ✿✧✵✾✔❑▲✲✭õ❁ø❏✾✫✴✵✪✷✴ ñ❂ñ✶ñ❧ñ❂ñ✶ñ✶ñ❂ñ✶ñ❂ñ✶ñ✶ñ❂ñ✶ñ❧ñ❂ñ✶ñ❂ñ✶ñ✶ñ❂ñ✶ñ❂ñ✶ñ ❇✔ï

ï✢✜✔ñ➹ò✄ñ➜ï▼✼✚✸✉õ✿✲✌✶✄õ✿✧✺✶❖◆sù★✧✺✲✔ù❘ø ñ❂ñ✶ñ✶ñ❂ñ✶ñ❂ñ✶ñ❧ñ❂ñ✶ñ✶ñ❂ñ✶ñ❂ñ✶ñ✶ñ❂ñ✶ñ❧ñ❂ñ✶ñ❂ñ✶ñ✶ñ❂ñ✶ñ❂ñ✶ñ ❇✔ï

ï✢✜✔ñ➹ò✄ñ❳ð◗P✠✰❘✶✌✪❋❙✭ù★✶✠◆sù★✧✵✲✄ù❘ø✘❚❯✧✵✰✆÷✄÷✌✪❏✲✌❱❲❍❐õ✿❃❅❆✖ù✭✸✺✴ ñ✶ñ❂ñ✶ñ❂ñ✶ñ✶ñ❂ñ✶ñ❧ñ❂ñ✶ñ❂ñ✶ñ✶ñ❂ñ✶ñ❂ñ✶ñ ❇✔ï

ï✢✜✔ñ➹ò✄ñ✻✜◗❍✙✧❥ù❘ø✷✪♣ö■✪❏✲✭õ✿✧✩✾■❑▲✲✭õ❁ø❋✾❘✴✵✪✷✴Øñ✶ñ❂ñ✶ñ❂ñ✶ñ❧ñ❂ñ✶ñ✶ñ❂ñ✶ñ❂ñ✶ñ✶ñ❂ñ✶ñ❧ñ❂ñ✶ñ❂ñ✶ñ✶ñ❂ñ✶ñ❂ñ✶ñ ❇★ð

ï✢✜✔ñ❨❳✯✮✱✰❘✶✔ùÜñ✶ñ❂ñ✶ñ❂ñ✶ñ✶ñ❂ñ❧ñ✶ñ❂ñ✶ñ❂ñ✶ñ✶ñ❂ñ✶ñ❂ñ✶ñ❧ñ❂ñ✶ñ✶ñ❂ñ✶ñ❂ñ✶ñ✶ñ❂ñ✶ñ❧ñ❂ñ✶ñ❂ñ✶ñ✶ñ❂ñ✶ñ❂ñ✶ñ ❇❁ò

ï✢✜✔ñ❨❳♥ñ➜ï❩◆sù✭✧✺✲✄ù✠ø❣ñ✶ñ❂ñ❧ñ✶ñ❂ñ✶ñ❂ñ✶ñ✶ñ❂ñ✶ñ❂ñ✶ñ❧ñ❂ñ✶ñ✶ñ❂ñ✶ñ❂ñ✶ñ✶ñ❂ñ✶ñ❧ñ❂ñ✶ñ❂ñ✶ñ✶ñ❂ñ✶ñ❂ñ✶ñ ❇❁ò

ï✢✜✔ñ❨❳♥ñ❳ð◗P✠✰❘✶✌❊✔ø❶ù ñ❂ñ❧ñ✶ñ❂ñ✶ñ❂ñ✶ñ✶ñ❂ñ✶ñ❂ñ✶ñ❧ñ❂ñ✶ñ✶ñ❂ñ✶ñ❂ñ✶ñ✶ñ❂ñ✶ñ❧ñ❂ñ✶ñ❂ñ✶ñ✶ñ❂ñ✶ñ❂ñ✶ñ ❇✒❳

û✒❬❪❭✖❫❴❫✘❵❛✑❜❵❝✗❡❞✌ÿ✁☎❣❢❤✝❘✐✭✗❦❥✽✕✎☞✳✝✫✐ ❧❦♠

ï✮ò✄ñ➜ï♦♥♣✲✒✸④ù★✧✵✲✄ù✭✸❯✼❘✪❋✸④ù★✴ ñ✶ñ❂ñ❧ñ✶ñ❂ñ✶ñ❂ñ✶ñ✶ñ❂ñ✶ñ❂ñ✶ñ❧ñ❂ñ✶ñ✶ñ❂ñ✶ñ❂ñ✶ñ✶ñ❂ñ✶ñ❧ñ❂ñ✶ñ❂ñ✶ñ✶ñ❂ñ✶ñ❂ñ✶ñ ❇✒q

ï✮ò✄ñ❳ðr❁✱✰✫✰✳❆✚✴ ñ❂ñ✶ñ❂ñ✶ñ✶ñ❂ñ❧ñ✶ñ❂ñ✶ñ❂ñ✶ñ✶ñ❂ñ✶ñ❂ñ✶ñ❧ñ❂ñ✶ñ✶ñ❂ñ✶ñ❂ñ✶ñ✶ñ❂ñ✶ñ❧ñ❂ñ✶ñ❂ñ✶ñ✶ñ❂ñ✶ñ❂ñ✶ñ ❇✒q

(8)

⑩t❶ ⑤❷⑦✈❸❺❹ ❻ ❼r⑤♦❽❴❸ ❶

❾➀❿✌➁❏➂➃➁❏➂➅➄✳➆✭➇✺➂✺➁❏➈✳➉➋➊✳➌❨➍➎➈✿➏✘➐●❿❀➁✷➂➀➑✌➈✫➒★➓✌➔✔➆★➉✒➐★→✁➑✁➣✹➐●➆✭➑t↔❖➣✢↕✠➙❘➊✳→✏➛✿➍✳➍✿➍❀→✌➇✺➆➜➏✞➆★➇✵➆★➉✌➒✭➁✷➉✌➝❲➐●❿✌➆☛➞➟➁✷➉✚➓❘➠➢➡✿➆✭➇✺➉✌➆✭➤

➄✳➆✭➇✺➂✵➁✷➈✳➉❂➛❘➌❨➛❘➌❏➊★➥✌➌

➦❲➧✢➦ ➨➫➩➯➭✱➲➢➳✔➵✙➸✔➺➼➻➼➽

➞➟➁✷➉✚➓❘➠➾➁❏➂➀➚❦➆✭➒★➈✳➔✔➁✷➉❀➝➎➔■➈✳➇✵➆➪➣✿➉✌➑✠➔■➈✿➇✺➆➹➶❡➈✳➶✌➓✌➤✷➣✿➇➀➣✿➂➃➣✿➉✠➣✿➤❋➐●➆★➇✵➉✁➣✹➐✺➁❏➄✳➆➹➈✿➶❦➆✭➇●➣✹➐✺➁✷➉✌➝➎➂✩↕❘➂✩➐●➆✭➔❖➌✱➘❘➁✷➉❀➒★➆➹➁❏➐➴➁❏➂

➏✞➇✺➆✭➆★➤❋↕➾➣➷➄✿➣✹➁✷➤➬➣✹➚✌➤✷➆➃➐●➈❲➆✭➄✿➆★➇✵↕✿➈✳➉✌➆➯➣✿➂➴➶✁➣✿➇✵➐➴➈✹➏❴➐✺❿✌➆➪➈✳➶❦➆✭➉❖➂✵➈✳➓✌➇✵➒★➆➪➔■➈✢➄✿➆★➔✔➆★➉✒➐➷→✏➤✷➁❋➐●➆✭➇●➣✿➤❏➤❏↕➎➐●❿❀➈✳➓✌➂●➣✹➉✌➑✌➂➃➈✿➏

➶✌➇✵➈✳➝✳➇●➣✹➔■➔✔➆★➇✵➂➀➣✿➇✺➆➪➒✭➈✳➉✌➂✵➐●➣✿➉✒➐●➤❋↕➢➮✱➈✿➇✺➡✚➁✷➉✌➝❲➈✳➉➾➐●❿❀➆☛➒✭➈❘➑❀➆➪➐✺➈❲➁✷➔✔➶✌➤✷➆✭➔■➆✭➉✚➐➅➉✌➆✭➮➱➏✞➆➷➣✹➐✺➓✌➇✺➆✭➂★→✏➁✷➔✔➶✌➇✺➈✢➄✿➆

➆➜➠❘➁❏➂✵➐●➁❏➉✌➝❲➈✳➉✌➆✭➂★→✏➣✿➉✌➑➾✃❀➠➾➚❀➓✌➝✳➂➃➣✿➉✌➑✠➁✷➉✌➆➜❐✔➒★➁✷➆✭➉✌➒★➁❏➆★➂➴➁✷➉✖➐✺❿✌➆➪➒★➈✫➑✌➆✿➌✙❾➀❿✌➆✭➇✺➆❒➣✿➇✺➆➪➔■➣✿➉✒↕➢➂✵➈✳➓✌➇✺➒✭➆★➂➴➏✞➈✳➇

➤✷➆★➣✿➇✺➉❀➁✷➉✌➝➎➔✔➈✳➇✺➆❯➣✿➚❦➈✿➓❀➐➃➞➟➁✷➉✚➓❘➠❦→❀➏✞➇✺➈✿➔➫➐●❿❀➆☛➂✵➈✳➓✌➇✵➒★➆➪➒★➈✫➑✌➆➪➁❏➐✺➂✺➆★➤❋➏✱❮❝➑✌➈✢➮➴➉✌➤❏➈✒➣✿➑✁➣✿➚❀➤✷➆✦➏✞➇✵➈✳➔➫➐✺❿✌➆➪❰♣➉✚➐✺➆★➇✵➉✌➆✭➐❅Ï➅➐✺➈

➚❡➈❘➈✳➡✚➂➀➐●➈✄Ð✺Ñ✦Ò➴ÓrÔÕ❾➃Ò➹➂✵Ö❤➣✹➉✌➑➾➔■➆✭➂✺➂●➣✹➝✳➆➪➚❦➈✒➣✹➇✺➑✌➂➴➔■➣✿➁✷➉✒➐❅➣✹➁✷➉✌➆✭➑✖➈✳➉➾➔❤➣✿➉✒↕✖➑❀➁❏×❦➆★➇✺➆✭➉✒➐▲➂✵➓✌➚✫Ø✵➆✭➒✭➐●➂✭➌

❾➀❿✌➁❏➂➃➑❀➈❘➒✭➓✌➔■➆✭➉✒➐▲➁❏➂➴➣✿➉➾➆✭×❦➈✳➇✵➐➴➐✺➈✔➚❀➇✺➁✷➉❀➝Ù➐●➈✳➝✳➆➜➐●❿✌➆✭➇➴➔❤➣✿➉✒↕✖➈✹➏❴➐✺❿✌➆★➂✵➆❒➂✵➈✳➓✌➇✺➒✭➆★➂➃➁✷➉✒➐●➈❲➈✳➉❀➆☛➒✭➈✳❿✌➆✭➇✺➆★➉✒➐

➇✺➆➜➏✞➆★➇✵➆★➉✌➒✭➆❒➈✳➉❖➣✿➉✌➑➾➝✳➓❀➁✷➑✌➆❯➐✺➈■➔✔➈❘➑❀➁❏➏❛↕✫➁✷➉✌➝❒➐●❿✌➆➪➉✌➆➜➐♣➮✱➈✳➇✵➡✚➁✷➉✌➝✔➒★➈✫➑✌➆➹➮➴➁❏➐✺❿✌➁✷➉➢➐✺❿✌➆☛➞✽➁❏➉✚➓❘➠➾➡✿➆✭➇✺➉✌➆✭➤Ú➌Û❰Õ➐

➶✌➇✵➆★➂✺➆✭➉✒➐●➂▲➐✺❿✌➆➪➁✷➉✒➐●➆✭➇✺➉✁➣✹➤Ü➮✱➈✿➇✺➡✚➁✷➉✌➝✿➂➃➈✿➉✠➏✞➈✳➓❀➇➀➤✷➆✭➄✿➆★➤❏➂★ÝÛ➣❲➝✳➆★➉✌➆✭➇●➣✿➤➟➈✢➄✿➆★➇✵➄✫➁❏➆✭➮➪→✏➔■➈✿➇✺➆➹➂✺➶❡➆★➒✭➁❏✃✁➒

➆➜➠❀➣✿➔✔➁✷➉✌➣✹➐●➁❏➈✳➉✌➂➅➈✿➏❴➉✌➆➜➐♣➮✱➈✳➇✵➡➾➣✿➒✭➐✺➁❏➄✫➁❏➐✺➁✷➆✭➂★→✌➑✌➆➜➐❅➣✿➁❏➤✷➆✭➑➢➏✞➓✌➉✌➒✭➐✺➁✷➈✳➉✖➮✱➣✿➤✷➡✳ÔÚ➐●❿✌➇✵➈✳➓✌➝✳❿✌➂✭→✏➣✿➉✌➑✠➇✺➆➜➏✞➆★➇✺➆✭➉✌➒★➆✭➂➃➐✺➈➎➐●❿✌➆

➣✿➒➜➐●➓✁➣✿➤➟➒✭➈❘➑❀➆❒➣✹➉✌➑➾➑✁➣✹➐❅➣➎➂✩➐●➇✺➓❀➒✭➐●➓❀➇✺➆★➂✭➌✱❰Õ➐➴➁❏➂➀➑✌➆★➂✵➁✷➝✳➉✌➆✭➑❖➐✺➈✔➶❀➇✺➈✢➄✫➁✷➑✌➆☛➣✿➂➀➔Ù➓❀➒❅❿❂➈✳➇➴➣✿➂➴➤❏➁❏➐✺➐✺➤✷➆▲➑✌➆✭➐●➣✿➁✷➤➟➣✹➂➅➐●❿✌➆

➇✺➆★➣✿➑✌➆✭➇➀➑✌➆★➂✵➁✷➇✺➆✭➂★➌Û❾➀❿✌➁❏➂➀➝✳➓✌➁✷➑❀➆❯➮➅➣✿➂➀➮➴➇✵➁❏➐✺➐✺➆★➉✖➂✵➶❦➆✭➒★➁❏✃✌➒➷➣✿➤❏➤❏↕❤➣✿➚❦➈✿➓❀➐➀➐●❿✌➆➪➞➟➁❏➉✫➓✫➠✠➛❘➌❨➛❘➌❋➊➷➥➎➡✿➆✭➇✺➉✌➆✭➤Þ❮✞➮➴❿✌➁❏➒❅❿❖❿✁➣✹➂

➣✿➤❏➇✺➆➷➣✹➑❀↕➢➚❡➆★➆✭➉❖➂✵➓✌➶❦➆✭➇✺➂✵➆★➑✌➆✭➑t➚✒↕❖➛❘➌ß➛✫➌❏➊❜à✿Ï➅➣✿➉✌➑➾➔❤➣✹➉✚↕➢➈✿➏❴➐✺❿✌➆➪➆➜➠❀➣✿➔✔➶✌➤✷➆✭➂➴➒★➈✳➔✔➆❯➏✞➇✺➈✳➔◗➐●❿✌➆☛á➴➆★➑❖Ñ✦➣✹➐➃â❘➌❏➊

➑✌➁❏➂✵➐●➇✵➁✷➚✌➓❘➐●➁✷➈✿➉äã❀❿✌➈✿➶❦➆➜➏✞➓✌➤✷➤❋↕■➐✺❿✌➆➪➁✷➉❀➏✞➈✳➇✵➔❤➣✎➐●➁✷➈✿➉➢➶✌➇✺➈✢➄✫➁✷➑❀➆★➑✠➁✷➂➀➝✳➆✭➉✌➆★➇✺➣✿➤➟➆★➉✌➈✿➓✌➝✳❿➾➐●❿✁➣✹➐➴➁❋➐➀➮➴➁✷➤❏➤Ü➂✵➐✺➁✷➤❏➤ä➣✿➶✌➶❀➤❏↕

➣✿➒✭➇✺➈✳➂✵➂➃➑❀➁✷➂✵➐✺➇✺➁❏➚✌➓❀➐●➁❏➈✳➉✌➂➀➣✹➉✌➑❖➉❀➆✭➮å➡✹➆★➇✺➉❀➆★➤✷➂✭➌Û❰Õ➐✦➣✹➤✷➂✺➈➎➏✞➈✫➒★➓✌➂✵➆★➂➃➣✿➤❏➔■➈✳➂✩➐➀➆➜➠❘➒✭➤✷➓✌➂✵➁❏➄✳➆✭➤❏↕✖➈✿➉❖❾➃æ➅çÞè✿é▲ê➹ç❴→✁❰ëç❴→

➣✿➉✌➑➾ìí➐✺❿✌➆★➇✵➉✌➆✭➐➀Ôí➮➴❿❀➁✷➒❅❿✠➣✿➇✺➆▲➐●❿✌➆➹➔✔➈✳➂✵➐✱➒★➈✳➔✔➔✔➈✳➉➢➚✌➓❀➐➴➚✒↕❤➉✌➈➎➔■➆★➣✿➉✌➂✱➐✺❿✌➆❯➈✳➉❀➤❏↕■➉✌➆✭➐♣➮❣➈✳➇✺➡✚➁❏➉✌➝❲➶✌➇✺➈✿➐✺➈❘➒✭➈✳➤✷➂

➣➷➄✹➣✿➁✷➤✷➣✿➚✌➤✷➆➃➏✞➈✳➇➴➞➟➁✷➉✚➓❘➠➾➶❀➤➬➣✹➐✵➏✞➈✳➇✺➔✔➂★➌

î ➂➃➣➎➇✺➆➜➏✞➆★➇✵➆★➉✌➒✭➆❒➏✞➈✳➇➀➡✹➆★➇✺➉❀➆★➤✽➶✌➇✺➈✿➝✳➇●➣✿➔✔➔✔➆★➇✺➂✭→❘➐✺❿✌➁✷➂➀➑✌➈✫➒★➓❀➔■➆✭➉✚➐➃➁❏➉✌➒★➤❏➓✌➑✌➆★➂➴➁❏➉❀➏✞➈✳➇✺➔■➣✹➐✺➁✷➈✳➉❤➣✿➉✌➑✠➶❦➈✳➁❏➉✒➐●➆★➇✵➂➀➈✳➉

➆★➑❀➁❏➐●➁❏➉✌➝❲➣✿➉✌➑✠➇✺➆✭➒★➈✳➔✔➶✌➁❏➤✷➁✷➉❀➝➯➐●❿✌➆➪➡✹➆★➇✺➉❀➆★➤Ú→✌➮➴➇✵➁❏➐✺➁✷➉✌➝❲➣✿➉❀➑❖➁❏➉✌➂✵➐●➣✿➤✷➤❏➁✷➉✌➝❒➔■➈✫➑✌➓✌➤❏➆★➂★→✌➣✿➉✌➑✖➮✱➈✿➇✺➡✚➁✷➉✌➝❲➮➴➁❏➐✺❿✖➐●❿✌➆

ï✎ðÜñóò❘ô

✃✌➤✷➆➹➂✵↕✫➂✩➐●➆★➔✠➌Þ❰Õ➐✦➣✹➤✷➂✺➈➎➶❀➇✺➆★➂✵➆★➉✒➐●➂✦➣✿➉➾➆➜➠❀➣✿➔✔➶✌➤✷➆➹➈✹➏✙➣➎➶✌➇✺➈✿➝✳➇●➣✿➔◗➐●❿✁➣✎➐➴➑✌➇✺➈✳➶❀➂▲➶✁➣✹➒❅➡✿➆✭➐✺➂➃➏✞➈✿➇➴➣

➂✺➆✭➤✷➆✭➒✭➐●➆✭➑❂❿✌➈✿➂✵➐➷→✏➣✹➤✷➈✳➉✌➝Ù➮➴➁❋➐●❿✠➣✿➉✁➣✹➤❏↕✫➂✺➁❏➂➀➈✿➏❴➐✺❿✌➆➪➇✺➆✭➂✺➓✌➤❋➐●➂★➌Þõ✱➆➜➐♣➮✱➆✭➆★➉❂➐✺❿✌➆➪➑✌➆★➂✵➒★➇✵➁✷➶❀➐✺➁✷➈✳➉✌➂➴➣✹➉✌➑✠➐✺❿✌➆

(9)
(10)

Internet

eth0

172.16.0.7

eth1

172.16.0.34

eagle

eth0

172.16.0.128

eth0

172.16.1.4

eth0

172.16.1.5

eth0

172.16.1.6

eth0

172.16.1.16

eth0

eth0

172.16.0.254

chrysler

eth1

jeep

plymouth

dodge

viper

stealth

neon

ram

intrepid

cs.u.edu subnet

netmask 255.255.255.0

u.edu network

netmask 255.255.0.0

network 172.16.0.0

network 172.16.1.0

172.16.1.1

172.16.0.1

dodge/viper routes between cs.u.edu and u.edu networks

chrysler/jeep routes between u.edu network and the rest of the Internet

(11)

✭✯✮✱✰✳✲✵✴✷✶✹✸✱✺✳✻✤✼✾✽❀✿✗❁❃❂✱❂❃❂✤❄❅✲❇❆✙❈❊❉☛❋●❋✞❍■❉☛✴✷✴✷✶✹❋❑❏▼▲◆✺●✶✹❖✏P◗✮❘✽☛❙●❚✌❉☛❋✳✻✗❚❱❯✕✲❲❄❳❉✬❨✾✴✷❉☛❉✪❈✹✲✆✴✷❉✪✰◗✴✷✮✵P●❙●✽✪❉☛P❩✶✹❋❭❬✗✺◗✮✱❈❊❉✙✮✱✴

✶❊❋❭✰❪❯❫✴❴✻✗✰●✴❴✮❛❵✵✶✹P●❉✪P✞✽✪✴❴❉✪P●✶❜✻■✶✹❖◆✸✱✶✹❵❃❉✪❋❲✻❝✮❞✻❝✺◗❉❡❯❫❙◗✻❝✺●✮❃✴❢❬✗✶✹✻❝✺✞❯❣❈❊✶✹❋●❉✙❖✷✶✹❚✌✶✹❈❤❯❃✴✐✻❝✮❣✻✷✺●❉✙❨✾✮✱❈❊❈✹✮❛❬✗✶✹❋●✸●❥

❦◗❧❛♠♦♥❃♣✱qsr❅t●❧❀✉✇✈①♥✕②❅③◗④⑥⑤❛⑦⑨⑧❘♣❃⑩✵❶❪❧❫t✳❷❳♥❀②❘❸✐❹❻❺❃❼●❺●♥✱❽✱❺❫❾❳❽✱♣s❺❃⑩

❿❳➀✷➀✹➁★➂➃✱➃●➄❛➅❴➆✹➇✳➆✹➈①➉❫➊➌➋➎➍➏➄❅➐❃➅➏➑☛➒✷➃❅➊✾➄❘➑➓➉◗➀➔➆✾➄❛➈

✼→▲◆✺◗❉➣❵✵✶✹❖✷✶❊❄◗✶❊❈❊✶❜✻↔✲✄✮❃❨↕✻✷✺●❉➣✽✪✴❴❉✪P●✶❜✻■❖❴✺●✮✱❙●❈✹P❭❄♦❉➣✰●✴❴✮✱✰♦✮❃✴❴✻❝✶✹✮✱❋❪❯❃❈❳✻❝✮❣✻❝✺◗❉❡❯❫❚✌✮✱❙◗❋❅✻✗✮❫❨↕✻✷✺●❉➣P●✮❘✽☛❙●❚✄❉✪❋✳✻

✴✷❉☛✰●✴✷✮✵P●❙●✽☛❉✪P❑➙➛✿❱✭✯✮❃❚✌❚✄❉✪✴❴✽✪✶❤❯❫❈➜✴✷❉☛P●✶❊❖➝✻❝✴❴✶❊❄●❙◗✻✷✶❊✮✱❋❱✶❊❖✗✰♦❉☛✴✷❚✄✶✹✻❴✻❝❉✪P❭❯❫❋●P❇❉☛❋●✽✪✮❃❙●✴❝❯❃✸❃❉✪P❑❏✐➞➟❈✹❈❑❚✄✮❘P●✶❜➠❪✽✕❯➡✻❝✶❊✮❃❋●❖✯✮❃❨

✻❝✺◗✶❊❖◆P●✮✵✽✪❙●❚✄❉✪❋✳✻✪➢❪✶❊❋●✽☛❈❊❙●P●✶✹❋●✸✤✻❝✴✷❯❃❋●❖❴❈❤❯❫✻✷✶❊✮✱❋●❖☛➢●❯❃❋✳✻✷✺●✮✱❈❊✮❃✸✱✶❊❉☛❖✪➢●❯❫❋●P❇✰●❯❃✴❴✻✷✶❤❯❃❈♦P●✮❘✽☛❙●❚✄❉✪❋✳✻❝❖☛➢❳❚➤❙●❖❴✻✏❚✄❉✪❉☛✻◆✻✷✺●❉

❨✾✮✱❈✹❈❊✮❀❬✗✶❊❋●✸➤✴✷❉✪➥❅❙●✶✹✴✷❉☛❚✌❉☛❋❅✻✷❖✪❥

➦ ❏■➧❇✮✵P●✶❜➠❪❉✪P❲❵✱❉☛✴✷❖❴✶❊✮✱❋●❖✏❚✤❙●❖➝✻✏❄♦❉✙❈❊❯❃❄♦❉☛❈❊❉☛P❇❯❫❖◆❖✷❙●✽➨✺❑❏

❁❘❏✗▲◆✺●❉➣✰❳❉✪✴❴❖✷✮✱❋❇❚❱❯❃➩❅✶✹❋●✸✤✻❝✺●❉➣❚✄✮❘P◗✶✹➠❪✽✪❯❫✻❝✶✹✮✱❋●❖✯❚➤❙●❖❴✻✏❄❳❉➫✶✹P●❉✪❋✳✻✷✶✹➠❪❉☛P❑❏

❏✗➞■✽➨➩✵❋◗✮❛❬✗❈✹❉✪P●✸❃❉✪❚✄❉✪❋✳✻➟✮❫❨↕✻✷✺●❉➣✮✱✴✷✶✹✸✱✶❊❋❪❯❫❈❑❯❃❙◗✻✷✺●✮✱✴◆❚✤❙◗❖❴✻✏❄♦❉✙✴❴❉☛✻❝❯❃✶❊❋●❉☛P❑❏

➯ ❏✗▲◆✺●❉➣❈✹✮❘✽✪❯❫✻❝✶✹✮✱❋❲✮❃❨➲✻❝✺●❉➣✮✱✴❴✶❊✸✱✶✹❋❪❯❃❈❳❙●❋●❚✄✮❘P●✶❜➠❪❉✪P❭P●✮✵✽✪❙◗❚✌❉☛❋❅✻✏❄❳❉✙✶❊P●❉☛❋✳✻❝✶✹➠●❉✪P❑❏

➳ ❏✗▲◆✺●❉➣✮✱✴❴✶❊✸✱✶✹❋❪❯❃❈➜❯❃❙◗✻❝✺◗✮✱✴✪➵➸❖✗❋❪❯❃❚✄❉✙❚❱❯✕✲✆❋◗✮❃✻✗❄♦❉➣❙●❖❴❉✪P✞✻❝✮✄❯❃❖✷❖❴❉✪✴➝✻➟✮✱✴◆✶✹❚✌✰◗❈✹✲✌❉✪❋●P●✮❃✴✷❖✷❉☛❚✌❉☛❋✳✻■✮❫❨✜✻❝✺◗❉

✴❴❉✪❖✷❙◗❈✹✻❝✶✹❋●✸❣P●✮✵✽✪❙●❚✄❉✪❋✳✻✗❬✗✶✹✻✷✺●✮✱❙◗✻◆✻✷✺●❉➣✮✱✴✷✶✹✸✱✶❊❋●❯❃❈❑❯❃❙❘✻❝✺●✮✱✴☛➵➺❖✗✰❳❉✪✴❴❚✌✶✹❖✷❖✷✶✹✮✱❋❑❏

➻ ❈❊❉✪❯❃❖✷❉➣❋●✮❃✻✷❉➫❯❃❋✳✲❲❚✌✮✵P●✶❜➠❪✽✕❯❫✻✷✶❊✮✱❋◗❖✯✶❊❋◗✽✪❈❊❙◗P●✶❊❋●✸❣P◗❉✪❈❊❉➏✻❝✶✹✮✱❋●❖✪❏

▲◆✺●✶✹❖✏✶✹❖✗❯✤❵❃❯❫✴✷✶❤❯➡✻❝✶❊✮❃❋✒✼→✽➨✺❪❯❫❋●✸✱❉✪❖■❯❃✴❴❉➫✶✹❋✳✻❝❉✪❋✳✻✷✶❊✮✱❋❪❯❫❈➼✿✠✮❫❨✜✻❝✺◗❉❡➽➾✶✹❋✵❙✵➚❭➪✬✮✵✽✪❙●❚✄❉✪❋✳✻➨❯❫✶❊✮✱❋ ➻ ✴✷✮❛➶❴❉✪✽☛✻✤✼➔➽➹➪ ➻ ✿

➽➾✶❊✽☛❉✪❋●❖❴❉❡❯✕❵❫❯❃✶✹❈❤❯❃❄●❈✹❉✬❯❫✻✪❥

❿❳➀✷➀✹➁★➂➃✱➃①➘◆➘◆➘✗➋➎➊❊➆❊➈❳➐➡➴①➷●➄✵➑❛➋➬➄❛➅➝➇❃➃♦➮◆➱◆✃✬❐▼❒✗❮➏❰✏Ï❣ÐÑ➋➸❿❳➀➔Ò✄➊

▲◆✺●✶✹❖✏P◗✮❘✽☛❙●❚✌❉☛❋✳✻■✶✹❖◆❋●✮❃✻✗✽☛❙●✴✷✴❴❉✪❋✳✻❝❈❜✲❲✰❪❯❃✴➝✻■✮❫❨↕✻✷✺●❉➫➽➲➪

➢●❄●❙◗✻✏✶❜✻✗❚❱❯✕✲✆❄❳❉➣❖✷❙●❄◗❚✌✶❜✻✷✻❝❉☛P❭✶❊❋❲✻❝✺●❉✙❨✾❙◗✻✷❙●✴✷❉❫❏

▲◆✺●✶✹❖✏P◗✮❘✽☛❙●❚✌❉☛❋✳✻■✶✹❖◆P●✶❊❖➝✻❝✴❴✶❊❄●❙◗✻✷❉✪P❭✶❊❋❲✻✷✺●❉➣✺●✮✱✰❳❉✬✻❝✺❪❯❫✻✏✶❜✻❢❬✗✶❊❈✹❈➜❄❳❉➫❙◗❖✷❉☛❨✾❙◗❈➲❄◗❙◗✻➤✼→✮❃❨↕✽✪✮✱❙◗✴✷❖✷❉✕✿Ó❬✗✶❜✻❝✺●✮✱❙❘✻➟❯❫❋❅✲

✸✱✶❜❵✱❉✪❋✞✮✱✴◆✶✹❚✌✰●❈✹✶❊❉☛P❱❬❢❯❫✴✷✴❝❯❫❋❅✻↔✲❭✮❫❨↕➠●✻✷❋●❉✪❖❴❖✏❨✾✮❃✴✗❯❃❋✳✲❲✰●❙●✴❴✰♦✮✱❖❴❉➫❬✗✺●❯❫✻❝❖❴✮❘❉➏❵✱❉✪✴☛❏✯Ô✏❖✷❉➣✶✹✻✏❯➡✻◆✲✱✮✱❙●✴✗✮❀❬✗❋✞✴✷✶❊❖❴➩①❏

ü❑ý➓Õ Ö✧✔✯×❲✘✣➣ØÙ✩✪✖✙✥✣✡❞✖✙✫ ✖✙✘✆✍▼✚

Ú ❬✗✴❴✮❃✻❝❉✙✻✷✺●✶❊❖◆P●✮✵✽✪❙◗❚✌❉☛❋❅✻■❯❃❖◆✰●❯❃✴❴✻✏✮❃❨↕❚➤✲✞➧❩❯❫❖❴✻❝❉☛✴✪➵➸❖✗✰●✴✷✮➡➶❴❉☛✽☛✻✏❨✾✮✱✴❢✻❝✺◗❉➤✭✯✮❃❚✌✰●❙❘✻❝❉✪✴✏Û✵✽✪✶❊❉☛❋●✽✪❉

➪✬❉✪✰●❯❃✴❴✻✷❚✌❉☛❋❅✻✗✮❫❨↕✻✷✺●❉➫Ô■❋●✶❜❵✱❉✪✴❴❖✷✶❜✻↔✲❭✮❃❨★Ü✏❉☛❬s❍➟❯❃❚✄✰●❖✷✺◗✶❊✴✷❉❫❏ Ú ❬Ñ✮✱❙●❈✹P✞❈✹✶❊➩❫❉✬✻❝✮❣✻❝✺❪❯❫❋●➩ ➻ ✴✷✮❃❨✾❉☛❖✷❖✷✮❃✴ ➻ ✶✹❈❤❯❃✴❢P◗❉

❈❤❯✤▲➲✮✱✴❴✴✷❉✙❨✾✮✱✴◆❖✷❉➏✻✷✻✷✶❊❋●✸✄❙●✰❲✻❝✺●❉➣✰●✴❴✮➡➶❴❉✪✽➏✻✬❯❫❋●P

✴❴✮❃❨✾❉✪❖❴❖✷✮✱✴■Ý✏❯❃P●✶❊❚ßÞ❢❯❃✴➝✻❝✮✱❖❢❨✾✮✱✴◆❄❳❉✪✶✹❋●✸❞❄♦✮❫✻❝✺✞❯✄❖❴✰♦✮❃❋●❖✷✮✱✴

❯❃❋●P✞❚➤✲✆❯❃P◗❵✵✶❊❖❴✮✱✴❢à✠✸✱✶✹❵✵✶❊❋◗✸✤❚✌❉➣❋❅❙●❚✄❉✪✴❴✮✱❙●❖✗✰♦✮❃✶❊❋✳✻❝❉☛✴✷❖✪➢◗❚✤❙●✽➨✺❩❉☛❋●✽✪✮❃❙●✴❝❯❃✸❃❉✪❚✄❉✪❋✳✻✕➢①❯❃❋◗P❩❯❣❖✷❉➏✻✏✮❃❨

✽✪✮❃❚✌✰●❙❘✻❝❉✪✴❴❖✗✮✱❋✞❬✗✺◗✶❊✽➨✺❭✻❝✮❞❉➏➚❘✰❳❉✪✴✷✶✹❚✌❉☛❋✳✻✕❏ Ú ❬Ñ✮✱❙●❈✹P❩❯❫❈❊❖✷✮❣❈✹✶❊➩❫❉✬✻❝✮❞✽✪✴❴❉✪P●✶❜✻✏✻✷✺●❉➫Ô■❋●✶❜✻❝❉☛P❩Û❅✻➨❯❫✻✷❉✪❖✗➞➟✴❴❚➤✲✱➢

❬✗✺●✶✹✽➨✺❇✺❪❯❫❖✏❄❳❉✪❉☛❋❇❚❡✲❲✺●✮✱❚✄❉✬❨✾✮✱✴

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(12)

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(13)

✠✎✍✡✍✏✆✒✑✓✠ ✔ ☛✕✆✗✖ ✘ ✙ ✚✛✠☞☛✡✚ ✜✢✠✤✣

✥✧✦✩★✫✪✭✬✮✦✩✯✱✰✳✲✵✴✷✶✸✰✩✶✹✴✷✪✹✴✻✺✼✲✹✪✽✯✱✺✿✾❁❀❂✴✻✶❃❀❄★❅✴✷❆✤✾✱❇✢✲✹✦✩✴❈✴✻✺✼✲✵★✫✶✹✴❈❉❊★❅✺●❋■❍❑❏▲✴✷✪✹✪✵✯◆▼❂★❅✺✩▼❖✪❃P■✪❃✲✵✴✷❏❘◗❚❙❯✲✭✰✩✶✹✾❁❀❄★❅❱✳✴✻✪✭✯

❱✩★✫✪✹✬✻❋✳✪✹✪✹★✫✾❂✺✿✾✱❇❲✬✷✾❂✺✳❳❨▼✱❋✩✶✵✯◆✲✹★❅✾❂✺✳✪✻❩✩★✫✺●✲✹✶✹✾❄❱✩❋✩✬✷✴✻✪✧✲✵✦✩✴❈❱❨✯❬✲✮✯❭✪❪✲✹✶✹❋✩✬❫✲✵❋✩✶❪✴✻✪❴★✫✺✼❀❂✾❂❵❛❀❂✴✻❱❜❩✁✯✱✺✩❱✿❱✩✴✻✪❪✬✻✶✹★✫❝❞✴✷✪✧✲✵✦✩✴

❝❨✯✱✪❪★❅✬✷✪✭✾◆❇❲❙❢❡❣✶❪✾❂❋✳✲✹★❅✺✩▼✩◗

❤❑✐❁❥ ❦♠❧♦♥ ♣q♥sr✉t✇✈②①❚③ ❦④①❚⑤⑦⑥ ⑧ ⑨⑩⑤❶r❷❧

✥✧✦✩✴⑦❙❸✺✼✲✵✴✻✶❪✺✩✴✷✲s❡❷✶✹✾◆✲✵✾❄✬✻✾❂❵❺❹❻❙❢❡❽❼❾★✫✪❾✲✵✦✩✴❈✦✩✴✻✯✱✶❪✲✸✾✱❇✢✲✵✦✩✴⑦❉❊★❅✺●❋■❍❿❏▲✴✷✪✹✪✹✯✱▼❂★❅✺✳▼②✪❃P❄✪❪✲✵✴✷❏❘◗❷➀➁✦✩★✫❵❅✴❈❉❊★❅✺●❋■❍➂❹➃❏②✾❂✶✹✴

✾❂✶✧❵✫✴✻✪✹✪✵❼❾✪❪✲✵✶❪★❅✬❫✲✵❵✫P❿✯✱❱✩✦✩✴✷✶✹✴✷✪✭✲✹✾❖✲✹✦✩✴❈❵➄✯➅P❂✴✷✶✹★✫✺✩▼❖✬✻✾❂✺✩✬✷✴✻✰✳✲✧➆❽✯✱✺✳❱❘★❛✲✸★❅✪✧✰➇✾❂✪✹✪❪★❅❝✩❵✫✴✽✲✵✾❖❋✩✪✹✴⑦✯❖❱✩★✫➈❞✴✻✶❪✴✻✺✼✲

✰✩✶❪✾✱✲✵✾❄✬✻✾❂❵❷❹➃❵❅★✫➉✱✴➋➊❷✥✭➌♦❼❽➆❺❙❢❡❣★✫✪✸✯✱❵❅❏②✾❂✪❃✲✸✯✱❵✫❆➍✯➅P❄✪✸✲✹✦✩✴❈✺✩✴❫❍■❋✩✪✭✲✵✦✩✶❪✾❂❋✩▼❂✦❑❆✸✦✩★✫✬✮✦❘✰✩✯✱✬✮➉✱✴❫✲✵✪s➎✩✾➏❆❈◗❚✥✧✦✩✴⑦❙❢❡

★❅❏②✰✩❵✫✴✻❏②✴✻✺✼✲✮✯◆✲✹★❅✾❂✺▲✾✱❇➐✲✵✦✩✴❈✺✩✴❫✲❸❆➍✾❂✶❪➉➑❵➄✯➅P❂✴✷✶✧✰❞✴✷✶❪❇❻✾❂✶❪❏▲✪✧✶❪✾❂❋✳✲✵★✫✺✩▼②✯✱✺✩❱➑❇❻✾❂✶❪❆➍✯✱✶❪❱✩★❅✺✩▼❖✯◆✪✸❆❽✴✻❵✫❵➒✯✱✪

✴✻✺✳✬➅✯✱✰✩✪❪❋✩❵➄✯❬✲✵★❅✺✳▼②❱✩✯◆✲✮✯✳◗❺➓❄✴✻✴⑦➔❲★❅▼✱❋✩✶✹✴⑦→■◗❛➣➋❇❻✾❂✶✸✯❖✪✹★❅❏②✰✩❵✫★✫❳❨✴✷❱❿❱✩★➄✯◆▼❂✶✵✯✱❏↔✾✱❇✢✦✩✾❁❆↕✺✩✴❫✲❸❆➍✾❂✶❪➉❑✰❨✯✱✬✮➉◆✴✷✲✵✪s❏▲✾❁❀✱✴

✲✵✦✳✶✹✾❂❋✩▼✱✦✿✲✹✦✩✴⑦❉➒★✫✺●❋■❍❑➉◆✴✻✶✹✺✳✴✻❵➙◗

➀➁✦✩✴✷✺➛✯✱✺❘✯✱✰✩✰✳❵❅★❅✬✻✯◆✲✵★✫✾❂✺❿▼❂✴✷✺✩✴✻✶✹✯◆✲✵✴✷✪✭✲✹✶✵✯◆➜②✬◆❩✩★✫✲✸✪❪✴✻✺✩❱✩✪✭✰❨✯✱✬✮➉◆✴✷✲✹✪s✲✵✦✳✶✹✾❂❋✩▼✱✦✿✪❪✾■✬✮➉◆✴✷✲✹✪s✲✵✾②✯➝✲✵✶✹✯✱✺✩✪❪✰❞✾❂✶❃✲✭❵➄✯➅P❂✴✷✶

❹➃✥✭➞❾❡➟✾✱✶✸➠❴➡➋❡❺❼❾✯✱✺✩❱➑✲✵✦✩✴✷✺❘✾✱✺✿✲✹✾❖✲✹✦✩✴❈✺✩✴✷✲❸❆❽✾❂✶❪➉❑❵➄✯➅P❂✴✷✶➢❹❻❙❢❡❺❼❫◗❨❙❸✺➑✲✵✦✩✴❈❙❢❡❣❵❅✯❁P✱✴✻✶✷❩✩✲✵✦✩✴❈➉✱✴✷✶✹✺✩✴✷❵➒❵❅✾❄✾❂➉●✪✧❋✩✰

✲✵✦✳✴⑦✶❪✾❂❋✳✲✹✴❈✲✹✾❭✲✵✦✩✴❈✦✩✾❂✪❃✲✭★❅✺➑✴✻★❛✲✵✦✩✴✷✶❾✲✵✦✩✴❈✶✹✾✱❋✳✲✵★✫✺✩▼❭✬➅✯✱✬✮✦✳✴❶✾❂✶✸★❛✲✵✪✸➔❨✾❂✶❪❆➍✯✱✶❪❱✩★❅✺✩▼❭❙❸✺■❇❻✾❂✶✹❏▲✯◆✲✵★✫✾❂✺➑➤❾✯✱✪❪✴▲❹➥➔❲❙❢➤✧❼➦◗

❙❯❇❲✲✹✦✩✴❈✰❨✯✱✬✮➉◆✴✷✲s★❅✪❾❇❻✾❂✶✸✯✱✺✳✾✱✲✵✦✩✴✷✶✸✬✻✾❂❏②✰✩❋✳✲✹✴✻✶✻❩■✲✵✦✩✴❈➉✱✴✷✶✹✺✩✴✷❵➐✯✱❱✩❱✩✶❪✴✻✪✹✪❪✴✻✪s★✫✲✭✯✱✺✩❱❑✲✹✦✩✴✻✺❘✪✹✴✻✺✳❱✩✪s★❛✲❾✲✵✾▲✯❭❵❅★✫✺✩➉

❵➄✯➅P✱✴✻✶✸✾❂❋✳✲✹✰✩❋✳✲✸★❅✺✼✲✹✴✻✶❪❇➃✯◆✬✻✴▲❹❻✲❸P❄✰✩★✫✬➅✯✱❵✫❵✫P➧✯✱✺➛➨➩✲✹✦✩✴✻✶❪✺✩✴✷✲s❱✩✴✷❀❄★✫✬✻✴❁❼➍❆✸✦✩★✫✬✮✦❘❋✳❵✫✲✵★✫❏➧✯❬✲✵✴✻❵❛P②✪✹✴✻✺✳❱✩✪✭✲✹✦✩✴❈✰❨✯✱✬✮➉◆✴✷✲s✾❂❋✳✲

✾❁❀❂✴✷✶✭✲✹✦✩✴❈✰✩✦✼P■✪❪★❅✬✻✯✱❵❊❏▲✴✷❱✩★❅❋✳❏❘◗

➀➁✦✩✴✷✺➛✯❖✰❨✯✱✬✮➉◆✴✷✲❴✯✱✶✹✶❪★✫❀❂✴✷✪✸✾➏❀✱✴✻✶✧✲✵✦✳✴⑦❏②✴✻❱✳★❅❋✩❏✿❩✳✲✵✦✳✴⑦★✫✺✩✰✩❋✳✲✸★✫✺✼✲✵✴✻✶❃❇➃✯✱✬✻✴➋✶❪✴✻✬✷✴✻★✫❀✱✴✻✪s★✫✲✸✯✱✺✳❱❘✬✮✦✩✴✷✬✮➉●✪s✲✵✾❖✪❪✴✻✴⑦★✫❇

✲✵✦✳✴⑦✰✩✯✱✬✮➉✱✴❫✲❴★✫✪✧★❅✺✩❱✩✴✷✴✻❱➑❇❻✾❂✶❾✲✵✦✳✴⑦✦✳✾❂✪❪✲✭✬✻✾✱❏▲✰✩❋■✲✵✴✻✶✷◗❚❙❯❇❲✪❪✾✩❩❨★✫✲✸✪❪✴✻✺✩❱✩✪✸✲✵✦✳✴⑦✰✩✯✱✬✮➉✱✴❫✲❴❋✩✰➑✲✵✾❭✲✹✦✩✴❈❙❢❡❣❵➄✯➅P❂✴✷✶✻❩

❆✸✦✩★✫✬✮✦❘❵✫✾■✾❂➉●✪✧❋✩✰➑✲✵✦✳✴⑦✶❪✾❂❋✳✲✹✴❈✲✹✾❭✲✵✦✩✴❈✰❨✯✱✬✮➉◆✴✷✲✻➫➭✪s❱✩✴✻✪❃✲✵★❅✺✩✯◆✲✵★✫✾❂✺✉◗➩❙❯❇✢✲✵✦✩✴❈✰❨✯✱✬✮➉◆✴✷✲s✦❨✯✱✪✧✲✵✾❖❝➇✴➋❇❻✾❂✶❪❆➍✯✱✶✹❱✳✴✻❱➑✲✵✾

✯✱✺✩✾◆✲✵✦✩✴✷✶✭✬✷✾❂❏②✰✩❋✳✲✵✴✷✶✻❩✳✲✹✦✩✴❈❙❢❡❣❵➄✯➅P✱✴✻✶✸✪✹✴✷✺✩❱✩✪✭★✫✲✸❝❨✯✱✬✮➉❑❱✳✾➏❆✸✺➑✲✵✾②✯✱✺✿✾❂❋✳✲✹✰✩❋✳✲✸★✫✺●✲✹✴✻✶❃❇➃✯✱✬✻✴◆◗❺❙❯❇➐✲✵✦✳✴❶✰❨✯◆✬✮➉✱✴✷✲s★❅✪

❇❻✾❂✶➍✯✱✺➑✯✱✰✩✰✩❵✫★❅✬✻✯◆✲✵★✫✾❂✺✉❩●★✫✲❽✪✹✴✷✺✩❱✩✪✸★✫✲➍❋✩✰❿✲✵✦✩✶❪✾❂❋✩▼❂✦▲✲✵✦✩✴✽✲✹✶✵✯✱✺✩✪❪✰❞✾✱✶❪✲❾❵❅✯➅P❂✴✻✶❾✯✱✺✩❱❑✪✹✾❄✬✮➉✱✴❫✲✵✪✧❇❻✾❂✶❺✲✵✦✩✴❈✯✱✰✳✰✩❵❅★✫✬➅✯◆✲✹★❅✾❂✺

✲✵✾❖✶❪✴➅✯✱❱➑❆✸✦✩✴✻✺❘★✫✲✧★✫✪✧✶✹✴✻✯✱❱✳P❂◗

➊❴❵✫✾❂✺✩▼➝✲✹✦✩✴➋❆❾✯➅P❂❩✁✴✻✯✱✬✮✦➛✪❪✾■✬✮➉◆✴✷✲❴✯✱✺✩❱✿✰✩✶✹✾✱✲✹✾■✬✷✾❂❵✉✰➇✴✻✶❃❇❻✾❂✶✹❏②✪❾❀◆✯✱✶✹★✫✾❂❋✩✪✧✬✮✦✩✴✷✬✮➉❄✪❴✯✱✺✩❱➑❇❻✾❂✶✹❏▲✯◆✲❪✲✵★❅✺✳▼➢❇❻❋✩✺✩✬❫✲✵★❅✾✱✺✩✪✻❩

❱✩✴❫✲✮✯✱★✫❵❅✴✻❱➑★✫✺❑❵➄✯◆✲✹✴✻✶✧✬✮✦❨✯✱✰■✲✵✴✻✶❪✪✻◗❺✥✧✦✩✴❈✴✻✺✼✲✵★✫✶✹✴❈✰✩✶❪✾■✬✷✴✻✪✹✪✭★❅✪✧★✫❏▲✰✳❵❅✴✻❏②✴✻✺✼✲✹✴✻❱❿❆✸★✫✲✹✦➑✶✹✴✷❇❻✴✷✶✹✴✷✺✩✬✻✴✷✪✽✯✱✺✩❱➝➯❪❋✩❏②✰

(14)

Application

generates traffic

to socket

transport layer

Sends packet to

network layer

Sends packet to

Sends packet

to socket

Puts packet in

application buffer

Sends packet

Sends packet to

transport layer

Drops packet

Packet

for host?

No

Looks up route

to destination

Sends packet

to device

Transmits packet

Drops packet

No

Database

Lookup

Install in

Cache

In

Cache?

entry

Return

Y

N

Packet arrives

at device

Yes

Sends packet to

network layer

Internally

Externally

Forward

packet?

Network Layer

(IP)

(15)
(16)

csum

len

cb

dst

mac

nh

h

dev

stamp

sk

destructor

end

tail

data

head

truesize

protocol

checksum

actual data length

TCP per-packet control information

pointer to dst_entry

pointer to link layer header

pointer to network layer header

pointer to transport layer header

pointer to receiving/transmitting device

arrival time

pointer to owning socket

pointer to destruct function

pointer to end

pointer to tail

pointer to data head

pointer to head of buffer

buffer size

packet network protocol

P✥◗❑❘◆❙✒❚❱❯✶❲❍❳▼❲❍❨✞❩❭❬✓❪✄❫✤❯✡❴❛❵✎❜❈❝ ❞❋❡❍❢❋❢✮❣✖❤✐❴✔❚❥❙✮❪✡❴✔❙✮❚❥❯✓❳

❦♠❧✒◗✪❤❁❤✐❴✔❚❱❙✒❪✡❴❥❙✒❚❥❯✶❪✌♥◆♦❂❴✔❬✓◗❑♦✒❤♠♣q♥◆◗✪♦❋❴❥❯✌❚❱❤✾❴❥♥✵❬✓r❑rs♥✓t✥❴❥❧✒❯✫◗❑♦✮t✉♥✓❚❥✈✇❬✤❴✔◗✪♥◆♦✽❬✓①q♥◆❙✮❴❁❬✼♣②❬✓❪✄❫✤❯✡❴✾③☞◗✪❴✔❤♠❤❱♥❍❪✄❫✤❯✡❴✌④

❯✣⑥❍◗✪❪✌❯✤④②❚❥♥◆❙✮❴❥❯✓④

❬✆❴✄❬✼r❑♥■❪⑦❬✤❴❥◗❑♥◆♦✮❤✌④✮❯✣❴✔❪✤❳✴❦⑧❚✔❬✤♦✒❤❥♣q♥◆❚❱❴❁♣✒❚❱♥✓❴✔♥■❪✌♥✓r❑❤♠❪✌❚❱❯⑦❬✤❴❥❯✚❴✔❧✒❯✡❤❥❯✶♣②❬✓❪✄❫✓❯✣❴✜❤✐❴✔❚❱❙✒❪✡❴❥❙✒❚❥❯✡❤❁t✉❚❱♥◆✈

♥◆❙✮❴❥♣✒❙✮❴❁①✒❙✮⑨s❯✌❚❱❤✌④✒⑩✾❧✒◗✪r❑❯ ⑤ ❯✣⑥■◗❑❪✌❯ ⑤ ❚❱◗✪⑥✓❯✌❚❥❤❁❪✌❚❱❯⑦❬✤❴❥❯✚❴✔❧✒❯✡✈❶t✉♥◆❚♠◗❑♦✮❪✌♥◆✈✵◗❑♦✒❘ ⑤ ❬✤❴✄❬✮❳✞❷✞❬✓❪✄❧✠r❸❬⑦❹✓❯✌❚♠❴✔❧✒❯✡♦✠❺✒r❑r❑❤♠◗✪♦

◗❑♦✒❘✼➇➛♦❍t✉♥◆❚❥✈✇❬✤❴✔◗✪♥◆♦✭➟✖❬✓❤❱❯✇❵➠P❭➇✎➟♠❣☞❴❥❧②❬✤❴❁❫✓❯✡❯✌♣✒❤❁❴✔❚❥❬✓❪✄❫✁♥✓t❭❬✓r❑rs♥✓t❭❴❥❧✒❯

❦♠❧✒❯✶P❭➇✎➟➢◗❑❤✖❴❥❧✒❯✫♣✒❚❥◗✪✈❻❬✓❚✐❹❻❚❱♥◆❙✮❴❥◗❑♦✒❘✼❚❱❯✡t✉❯✌❚❱❯✌♦✒❪✡❯✓➞q◗✪❴♠❪✡♥◆♦❂❴✄❬✓◗✪♦✒❤✾❙✒♣✭❴✔♥✵➤❂❲❛➥✌♥◆♦✮❯✌❤➆❵➀♥◆♦✮❯✫t✉♥✓❚♠❯⑦❬✓❪✄❧➜①✒◗✪❴♠◗✪♦✠❬✓♦

(17)

❒②➸✒➻✮➼✜➽✼➱✇➽✤➶✔❐✄➮ÐÏ✉➶❥➮✒➺✌➾❱➺✫➼❥➮✒➚◆➪✮❰❑➻➜➽✓❰✪➬❿➽⑦Ñ❍➼✾➴q➺✶➽✤➶✾❰❑➺✌➽✓➼❱➶✾➚◆➸✮➺✶➻✮➺✡Ò➀➽✓➪✒❰❼➶✾➺✌➸❂➶✔➾✐Ñ✮Ó✣Ô✴Õ♠➮✒➺✚❒②❰❑➺✜Ö✆×sØ✣Ù■Ú❥Ö❋ÛsÜ➡Ý✉Ö❋Ø✺Ù■Þ✒Ý➛Ü

➮②➽✓➼♠➶❥➮✒➺✫❐✌➚◆➸❂➶✔➺✡➸❂➶✔➼❁➚✓Ò✥➶❥➮✒➺✶ß❭à✎á✜Ô

Õ♠➮✒➺✶➾❥➚◆➪❍➶✔➘❑➸✮➷✼❐⑦➽✓❐✄➮✒➺✶➘❑➼✾➽✼➮②➽✤➼❥➮✭➶✄➽✓➴✒❰✪➺✲➶✔➮②➽✆➶✙à✎âã➪✒➼❥➺✡➼❁➶❥➚✇➽✤❐✡➶✔➪✒➽✓❰❑❰❼Ñ❻➾❱➚◆➪✮➶✔➺✫✃②➽✤❐✄ä✓➺✡➶❥➼✌Ô✴à➝➶❁❐✌➚◆➸❂➶✄➽✤➘❑➸✒➼✾➪✒✃✭➶✔➚

å◆æ✓ç

❐✄➮②➽✤➘❑➸✒➼✾➚✓Ò✥❐✌➪✒➾❱➾❥➺✡➸❋➶✙➾❥➚✓➪✮➶✔➘✪➸✒➷✼➺✌➸❂➶✔➾❱➘❑➺✡➼✌➹✒➬✾➘✪➶❥➮✭➺⑦➽✓❐✄➮➜➺✌➸❂➶✔➾✐Ñsèé➼❁✃s➚◆➼❱➘✪➶❥➘❑➚◆➸✽➻✒➺✣➶✔➺✡➾❥➱✵➘❑➸✒➺✡➻✠➴❂Ñ✠➽✼➮②➽✓➼❱➮

Ò✉➪✒➸✒❐✣➶✔➘✪➚◆➸✯Ô✏ê➢➮✒➺✡➸➣➽✷➮✒➚◆➼✐➶✙➸✮➺✌➺✌➻✮➼❁➶❥➚✵➼❱➺✌➸✒➻➣➽✼✃②➽✓❐✄ä✓➺✣➶⑦➹➅à✎â➙❰✪➚❍➚◆ä❋➼✖Ò✉➚◆➾✾➽✤➸➜➺✡➸❋➶❥➾❱Ñ✽➘✪➸✽➶✔➮✒➺✫➾❥➚✓➪✮➶✔➘✪➸✒➷✷❐⑦➽✓❐✄➮✒➺✤Ô

à➝Ò❭➶❥➮✒➺✌➾❱➺✫➘❑➼♠➸✒➚◆➸✮➺✓➹②➘✪➶♠❒✒➸✒➻✒➼♠➶✔➮✒➺✶➽✓✃✮✃✒➾❥➚◆✃✮➾❥➘❸➽✆➶✔➺✚➾❥➚✓➪✮➶✔➺✫➘❑➸✁➶❥➮✒➺✶ß❭à✎áë➽✓➸✒➻✠➘❑➸✒➼❱➺✌➾❱➶❥➼✾➽✵➸✮➺✡➬ì➺✡➸❂➶✔➾❱Ñ✭➘✪➸❂➶✔➚✼➶✔➮✒➺

❐⑦➽✤❐✄➮✒➺✓Ô✜Ï➀Õ♠➮✒➘✪➼♠➺✌➸❂➶✔➾✐Ñ✭➘❑➼✖➬✾➮②➽✆➶❁➶❥➮✒➺✚í✤➽✓➾❥➘✪➚◆➪✒➼♠✃✒➾❱➚✓➶✔➚■❐✌➚◆❰✪➼♠➪✒➼❥➺✚➶❥➚✵➾❱➚◆➪✮➶❥➺✓➹②➸✒➚✓➶✾➶❥➮✒➺✶ß❭à✎áî➺✌➸❂➶✔➾✐Ñ◆Ô▼Ó✷Õ♠➮✒➺

➺✌➸❂➶❥➾❥➘❑➺✡➼✾➾❥➺✌➱✇➽✓➘✪➸✽➘❑➸✽➶✔➮✒➺✫❐✌➽✓❐✄➮✒➺➆➽✓➼✾❰❑➚◆➸✒➷✷➽✤➼✾➶❥➮✒➺✡Ñ✽➽✓➾❥➺✫➴q➺✌➘❑➸✮➷✵➪✮➼❥➺✌➻❾ïq➘❼Ò➍➶✔➮✒➺✡➾❥➺✫➘❑➼♠➸✒➚✷➶✔➾❥➽✤ð✵❐✚Ò✉➚◆➾✾➽

➻✒➺✡➼❱➶✔➘✪➸②➽✤➶❥➘❑➚◆➸✯➹❍➶✔➮✒➺✫➺✌➸❂➶❥➾❱Ñ✁➶❥➘❑➱✵➺✌➼♠➚◆➪✮➶❁➽✤➸✒➻➜à✎âã➻✒➺✌❰✪➺✡➶✔➺✡➼✙➘❼➶⑦Ô✏Õ♠➮✮➺✶❒②❰✪➺✜Ö✆×❾Ø✺Ù❍Ú❱Ö❋ÛsÜ❈ÝñÖ❋Ø⑦Ý Ú✣ò❂Ú✐ósÜ✲➮✒➽✓➼♠➶✔➮✒➺

❐✌➚✓➸❋➶❥➺✌➸❂➶✔➼❁➚✓Ò⑧➶✔➮✒➺✫➾❱➚◆➪✮➶✔➘✪➸✒➷✷❐⑦➽✓❐✄➮✮➺✓Ô

Õ♠➮✒➺✡➼❥➺✫➶✄➽✓➴✒❰✪➺✌➼✾✃q➺✌➾❱Ò✉➚✓➾❥➱ô➽✤❰❑❰❾➶❥➮✒➺✫➾❥➚◆➪✮➶❥➘❑➸✒➷✼➚✓➸➣➽✼➸✒➚◆➾❱➱❻➽✤❰✯➼❱Ñ■➼❱➶❥➺✌➱✠Ô✴õ✛í✓➺✌➸➜➚✓➶✔➮✒➺✡➾✾✃✒➾❥➚✓➶❥➚❍❐✡➚◆❰❑➼✚Ï➀➼❥➪✮❐✄➮➑➽✓➼

ö

à✎â☞Ó✖➪✒➼❱➺✚➶✔➮✒➺✫➼✔➽✤➱✇➺✫➼❱➶❥➾❥➪✒❐✣➶✔➪✒➾❱➺✌➼✡ï➅➶❥➮✒➺✡Ñ➯÷❱➪✮➼❱➶❁➱✇➚■➻✒➘❼ÒñÑ✵➶❥➮✒➺✫➺✣ø❍➘❑➼✐➶✔➘✪➸✒➷✼➶✄➽✓➴✒❰✪➺✌➼♠➬✾➘✪➶❥➮✒➘❑➸✁➶❥➮✒➺✫ä✓➺✡➾❥➸✒➺✡❰⑧➪✮➼❥➘❑➸✮➷

Gambar

Table(struct neighbor)Neighbor

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