v

v

v

v

v

w

w

w

w

w

xxxx

xxx

xx

x

y

y

y

y

y

y

z

z

z

z

z




..،~،.. A friend in need is friend indeed...،~،..

a


a


a


a


a


a

b


b


b


b



b



b

c

c

c

c

Ddddddddddddddd

e

e

e

e

e