r
i
b
b
o
n
t
y
p
e
Z
6
0
Z
1
2
0
A
6
0
A
1
2
0
r
i
b
b
o
n
p
a
r
a
m
e
t
e
r
s
ℓ
1
1
2
3
4
5
6
7
ℓ
2
1
2
3
4
5
6
7
w
2
3
4
5
6
7
u
n
i
t
c
e
l
l
3
D
v
i
e
w
r
o
t
a
t
e
z
o
o
m
2
3
.