s
h
i
f
t
c
u
b
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s
x
0
1
2
3
y
0
1
2
3
z
0
1
2
3
p
r
o
j
e
c
t
i
o
n
(
a
t
r
i
g
h
t
)
3
D
t
o
p
f
r
o
n
t
r
i
g
h
t
b
o
t
t
o
m
b
a
c
k
l
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t