✒✔✓✖✕✘✗✚✙✜✛✣✢✤✗✚✥✧✦★✒✔✩✪✦✘✙✔✙✧✫✭✬✯✮✱✰✲✦✘✓✖✳✴✮✱✰✲✗✵✩✷✶✹✸✺✙✧✕✻✰✼✓✖✶✽✰
✾
✮✿✛✼✰❁❀❃❂❄✗✚✕✘✮✿✫❆❅✣✙✧❇❈✕✘❉❊✬❋✮✷●❊❍✔■❑❏▼▲✜▲✜▲
◆P❖ ◗❙❘✹❚❱❯✿❲❨❳✿❩❭❬❫❪P❴❵❬❜❛❞❝❡❩❣❢✭❚❱❯✿❲✐❤✽❲❥❘✷❚❵❴❦❲☎❧❫♠♥❬✝❤✽❩❭❴❱❤✽♦❭❲q♣q❩❣❚❱❯✣❴❵❬❫❳r❩❭s✿❢✉t✱✈
❬❫❘✿❳✤✇✝①③②④t✖❖❑⑤❄❯✿❲⑥❬❫❘✿❪❫♦❭❲⑧⑦ ①✣✇✺⑨❋②❶⑩✔⑦ ❷❸❝⑥❹✝❖❻❺❼❩❣❘✿❳❽⑩✻❖
O
❾A
C
E
❿
B
➀
D
r
r
➁✱❖ ⑤❄❯✿❲❁❢❱➂➃s▼❬❫❴❦❲✣❹❨❷❸⑨⑥①➄✈✘♣q❯✿❧P❢❱❲✣❬❫❴❱❲❥❬✤❩❭❢⑧◆✼➅P➆❽❢❱➂➃s▼❬❫❴❦❲✣s✿❘✿❩➇❚❵❢✽✈❼❩❭❢⑥❳✿❩➇➈✱❩❣❳✱➉
❲❥❳➊❩❭❘✷❚❵❧➄➋➌❴❱❲❥❤➍❚➎❬❫❘r❪Ps✿♦➏❬❜❴☎❴❱❲❥❪❫❩❭❧P❘✿❢➐❧❫♠❆❲❥➂➃s▼❬❫♦✭❬❫❴❦❲➑❬r✈♥♠➒❧Ps✿❴➐❧❫♠✭♣q❯✿❩❭❤➎❯✴❬❫❴❱❲
❤❥❧❫❘✿❪P❴❱sr❲❥❘✷❚⑧❬❫❢➓❢❱❯r❧✲♣q❘➔❖➊→➣❯▼❬❜❚➓❬❫❴❱❲✣❚❱❯✿❲✣❳✿❩❣❛❁❲✽❘✿❢❱❩❣❧P❘✿❢❸❧❫♠↔❧P❘r❲✣❧❫♠q❚❵❯✿❲
❴❱❲✽❤✽❚❵❬❫❘✿❪Ps✿♦❭❬❫❴❄❴❱❲✽❪P❩❭❧❫❘✿❢↕♣q❯✿❩❭❤➎❯❽❩❭❢❄❘r❧❫❚↔❬⑧❢❦➂➃s▼❬❫❴❱❲➑➙
A
➛B
C
D
➜r❖ ➝✐❘➞❩❭❘✷❚❱❲❥❪P❲✽❴⑥➟➓➠➍➡❫➠➍➢▼➤➦➥✤➧❫➨➩➡✼➨✚➧✖➠➎➫✹❬❫❘➊❩❣❘✷❚❵❲❥❪❫❲❥❴↔➭➄❩❣♠✉❚❵❯r❲❥❴❱❲⑧❲➍➯✱❩❣❢❦❚❵❢✺❬❫❘➞❩❭❘✷❚❵❲✽❪P❲❥❴✺⑩➲❢❱s✿❤➎❯➞❚❵❯▼❬❜❚➳➭➄②➵➟❙⑩✻✈
❚❵❯✿❬❜❚q❩❭❢✽✈✿❩❣♠➔➭❁❩❣❢q❬❫❘✤❩❣❘✷❚❵❲❥❪❫❲❥❴❄❛❸s✿♦➇❚❵❩❣➸✿♦❭❲➳❧❫♠➺➟❦❖
➻
❬P➼✪➽q❲❥❤❥❬❫♦❭♦❈➾❼➚✧②
➻
➾✔➼
➻
➾✤➪★◆✲➼
➻
➾✤➪➶➁P➼➔➹✼➹✼➹
➻
➁P➼
➻
◆✲➼➘❖➐❺❼❩❭❘r❳➄❚❵❯✿❲✝♦➏❬❫❴❦❪P❲❥❢➴❚❨➈❜❬❫♦❭s✿❲✺❧❫♠❻➾➷❢❦s✿❤➎❯➞❚❱❯▼❬❜❚☎➁P➋
❲➍➈P❲❥❘r♦❣➬➮❳✿❩➇➈✱❩❣❳✿❲❥❢q➾❈➚✲➱★◆P❖
➻✚✃
➼❜❐✱❯r❧✲♣✟❚❵❯▼❬❜❚q❩➇♠➺➜➓❲➍➈P❲❥❘r♦❣➬➮❳✿❩➇➈✱❩❣❳✿❲❥❢↕❒➓➱➶➁❜❮✧✈✱❚❱❯✿❲❥❘✤➜❰❲✽➈P❲✽❘✿♦❣➬➮❳r❩❣➈✖❩❭❳✿❲✽❢❄❮☎➱Ï➁✪❒♥❖
Ð ❖ ➝Ñ❤✽❩❭❴❦❤❥s✿♦❭❬❫❴➳❤✽❧P❩❭❘✤❩❭❢➳➸✿♦➏❬❫❤✽❲❥❳Ò❧❫❘Ó❬❁❚➎❬
✃
♦❭❲❜❖✐⑤❄❯✿❲✽❘Ó❩❭❳✿❲✽❘➃❚❱❩❭❤❥❬❫♦♥❤❥❧P❩❣❘✿❢❨❬❫❴❦❲✝➸✿♦❭❬❫❤❥❲✽❳➲❬❫❴❱❧❫s✿❘✿❳Ò❩➇❚✐❢❦❧✹❚❵❯▼❬✪❚
❲➑❬❜❤➎❯Ò❤❥❧P❩❣❘❽❚❱❧Ps✿❤➎❯✿❲✽❢➳❚❱❯✿❲⑥Ô✿❴❱❢❦❚✐❤❥❧P❩❣❘➄❬❜❘✿❳➄❩➇❚❵❢q❧❫❚❵❯r❲❥❴q❚❙♣❆❧❁❘✿❲❥❩❣❪P❯
✃
❧Psr❴❱❢❥❖❄◗Õ❚↔❩❣❢➳Ö➃❘✿❧✼♣q❘➄❚❱❯▼❬❜❚➳❲➍➯r❬❫❤✽❚❱♦❣➬
×➓❤❥❧P❩❣❘✿❢q❤➑❬❫❘
✃
❲➐❢❱❧⑧➸✿♦➏❬❫❤✽❲❥❳✔❖
➻
❬P➼✲◗Õ♠❈❚❵❯✿❲➐❴❵❬❜❳✿❩❭s✿❢❆❧❫♠➺❬❜♦❭♦♥Ø❸❤❥❧❫❩❭❘✿❢❄❩❣❢☎◆P✈rÔ▼❘✿❳➮❚❵❯r❲➐❚❱❧❫❚➎❬❜♦✔❬❫❴❦❲➑❬➓❧❫♠✘❚❵❯✿❲➐❢❱➸✿❬❫❤❥❲✽❢
✃
❲✽❚❙♣✭❲❥❲✽❘✤❚❵❯r❲⑥❩❣❘✿❘✿❲✽❴
❤✽❧P❩❭❘❽❬❫❘✿❳➮❚❵❯r❲✺×➓❧Ps✱❚❵❲❥❴q❤✽❧P❩❭❘✿❢✽❖
➻✚✃
➼✲◗Õ♠↕❚❱❯✿❲✹❩❣❘✿❘✿❲✽❴⑥❤✽❧P❩❭❘➞❯▼❬❫❢✺❴❵❬❫❳r❩❭s✿❢❰◆P✈♥Ô▼❘✿❳✴❚❱❯✿❲⑧❴❵❬❫❳✿❩❣s✿❢⑥❧❫♠❄❬❽♦➏❬❫❴❦❪P❲❥❴☎❤✽❧P❩❭❘✔✈✘❢❱❧❽❚❵❯▼❬✪❚✝❲➘➯✿❬❜❤✽❚❵♦➇➬ Ð
❢❦s✿❤➎❯➄♦❭❬❫❴❱❪P❲✽❴❄❤❥❧P❩❣❘✿❢↕Ô✿❚➳❬❫❴❦❧Ps✿❘✿❳➮❚❵❯✿❲➐❧Ps✱❚❵❢❱❩❣❳✿❲☎❧❫♠✘❚❵❯✿❲➐❤✽❧P❩❭❘➮❧❫♠❈❴❵❬❫❳r❩❭s✿❢☎◆P❖
➋✱❖ ⑤❄❯✿❲➞×Ù❲❥❳✿❪P❲✽❢➮❧❫♠❸❬Ú❴❦❲❥❪Ps✿♦❭❬❫❴✣❚❵❲➍❚❵❴❱❬❫❯✿❲❥❳r❴❱❧P❘④❬❫❴❱❲Ó❧❜♠✝♦❣❲❥❘✿❪❫❚❱❯★Û✜❖Ü⑤❄❯✿❲
❚❵❲➍❚❵❴❱❬❫❯✿❲❥❳r❴❱❧P❘❸❩❣❢❼❢❦♦❭❩❭❤✽❲❥❳✝❬❫♦❭❧P❘r❪✐❧P❘✿❲✭❧❫♠▼❩➇❚❵❢❼❲✽❳✿❪P❲✽❢❼❚❵❧↔♠➒❧P❴❱❛❋❚❙♣✭❧❨❩❭❳✿❲✽❘✷❚❵❩❭❤❥❬❫♦
❢❱❧❫♦❭❩❭❳r❢❥❖
➻
❬P➼✪❺❼❩❣❘✿❳➌❚❵❯✿❲➐➸✧❲❥❴❦❩❭❛⑧❲✽❚❵❲✽❴❄❧❫♠✘❚❵❯✿❲➐❢❱♦❣❩❭❤✽❲❫❖
➻✚✃
➼✪❺❼❩❣❘✿❳➌❚❵❯✿❲⑥❬❫❴❦❲➑❬➓❧❫♠❈❚❵❯✿❲➐❢❱♦❣❩❭❤✽❲❫❖
a
Ý
a
Ý
a
Ý
a
Ý
a
Ý
a
Ý
