segments
k
R
Y
k
@
S
C
I:
x
y:
l
b
E:\
x
v
i:\
l
b
E
l
@
b
o:\
t
d
O
l
f
i:
n
k
x
V
k
b
A
l
@
b
E:\
n
t
O
l
2:\
j\
@
s
t
u
l
@
p
I:
R\
@
f
x
y
t
f
l
A
x
@
l
E:\
p
@
l
b
I
l
p
Q:
l
@