p
a
r
a
l
l
e
l
e
p
i
p
e
d
e
x
a
m
p
l
e
s
1
2
3
4
5
6
7
8
9
1
0
e
d
g
e
s
u
=
2
7
1
v
=
1
0
6
w
=
1
0
3
m
i
n
o
r
f
a
c
e
d
i
a
g
o
n
a
l
s
v
-
w
=
1
0
1
w
-
u
=
2
6
6
u
-
v
=
2
5
5
m
a
j
o
r
f
a
c
e
d
i
a
g
o
n
a
l
s
v
+
w
=
1
8
3
w
+
u
=
3
1
2
u
+
v
=
3
2
3
b
o
d
y
d
i
a
g
o
n
a
l
s
-
u
+
v
+
w
=
2
7
2
u
-
v
+
w
=
2
7
8
u
+
v
-
w
=
3
0
0
u
+
v
+
w
=
3
7
4
v
e
c
t
o
r
s
:
u
=
{
2
7
1
,
0
,
0
}
v
=
9
8
2
6
2
7
1
,
6
0
2
0
2
3
9
8
2
7
1
,
0
w
=
6
6
4
7
2
7
1
,
1
4
3
7
5
4
4
2
4
8
1
9
2
7
1
,
6
6
8
3
5
8
4
8
1
9