¡©¡©©¦ £¦©¦
a_ ¨©¨©n¡¦§¨©
¡¡¡§©©¦£¦¨
©¨_¤¡¦¦¡§¨
ab¦§ ¦¡§¨
¦£§¦©¥¡
a§§£§££§© ¤
a§©¨§©§¡§©©¡©¡¨
©¡£ ¦£§ ©§§
§¨©¨
a ¨¨£ ¦£§©¨
¡ ©¡ ©¡ ¨ © §§ ¤
¦ £§ © §£ _ a¨¡ ©§¥
a©©©¡¨©§¡
© ¦ ¨ ©¨ m©§
[¦\ §§
§§ ©§¨£ ©£ ©¨§ ¥
a¨ ¨§©£©§
a[C2\©©§¡£§§©©
a©§¥
a©©©¡
§¦
¨¨
¥ §£¨
¤
¨¦©¦
¨
©§
5 .§
a©©
6 .§
a¨ ©
¨§
7 .§
£§§
8 .§
§§©§¨b¢¦
© ¦© © ©¡¦ ¦
b©¡¨§¦a§©¨§¥©¦©
_§¦a§¥¨©¨¨ ¦
a©¦
a
¨©¦©§¨¨§¦£ £
b¦£ ¨§¢¦¨©¨©
a
¡ ¦¦©©¨¡
¦£ £_¨§¥§¡¡ ¦¦©
¨ § §£ ¡ _© §¨
a[
§¡
§_£§¦_§©£§©
© ¦£
¡©¨©¨¦©¡¥_¤¡
¦§£
a[¡ ©§\
§¥©¦©¦©¥¡
a¨©¨¡§ ¦©¨§§¥
¦¡¡¡£§¦¨
a©§©¡_¦£ ¨§¦n¡
© §¨© § ¡ §¥ © ©
¨ _ _§£ § £ §¥ ¡
¨¨§¦©¨©§£¨_¡§©n¨
£¦©¦_¢¡¨¨§¥
a¨ ©§ ¡©¥©¦
© ¥ © [C1\ © §
¨ ¡ ¥ © © ©
.¡§¨§¦
©¥¦¦§ §£ \
©£¦£ ¨¦£©
a£¨
¨©¦©§¨_©¡
m§§© £
a¨¡¡¨
a¨¦§¥©
a¡¥¨§¡
a§ ¨
§©¨§
¨
¨ ¨
§
a©©©¥©§¡
©©©
a©`[C1\¥§©£
1.§
A
B
2 .§
3 .§
4 .§