base-1
a
base-2
a
b
base-3
a
tree
b
c
base-4
a
b
c
d
base-5
a
b
c
tree
d
e
base-6
a
b
tree
c
d
tree
e
f
base-7
a
b
tree
c
d
e
f
tree
g
base-8
a
b
c
d
e
f
g
h
base-9
a
b
c
d
e
f
g
tree
h
i
base-10
a
b
c
d
e
f
tree
g
h
tree
i
j
base-11
a
b
c
d
e
f
g
tree
h
i
j
k
base-12
a
b
c
d
e
f
tree
g
h
i
j
tree
k
l
base-13
a
b
c
d
e
tree
f
g
h
i
tree
j
k
tree
l
m
base-14
a
b
c
d
e
f
tree
g
h
i
j
tree
k
l
m
n
base-15
a
b
c
d
e
f
g
tree
h
i
j
k
l
m
n
o
base-16
a
b
c
d
e
f
g
h
i
j
k
l
m
n
o
p
base-17
a
b
c
d
e
f
g
h
i
j
k
l
m
n
o
tree
p
q
base-18
a
b
c
d
e
f
g
h
i
j
k
l
m
n
tree
o
p
tree
q
r
base-19
a
b
c
d
e
f
g
h
i
j
k
l
m
n
o
tree
p
q
r
s
base-20
a
b
c
d
e
f
g
h
i
j
k
l
m
n
tree
o
p
q
r
tree
s
t
base-21
a
b
c
d
e
f
g
h
i
j
k
l
m
tree
n
o
p
q
tree
r
s
tree
t
u
base-22
a
b
c
d
e
f
g
h
i
j
k
l
m
n
tree
o
p
q
r
tree
s
t
u
v
base-23
a
b
c
d
e
f
g
h
i
j
k
l
m
n
o
tree
p
q
r
s
t
u
v
w
base-24
a
b
c
d
e
f
g
h
i
j
k
l
m
n
tree
o
p
q
r
s
t
u
v
tree
w
x
base-25
a
b
c
d
e
f
g
h
i
j
k
l
m
tree
n
o
p
q
r
s
t
u
tree
v
w
tree
x
y
base-26
a
b
c
d
e
f
g
h
i
j
k
l
m
n
tree
o
p
q
r
s
t
u
v
tree
w
x
y
z
base-27
a
b
c
d
e
f
g
h
i
j
k
l
m
tree
n
o
p
q
r
s
t
u
tree
v
w
x
y
tree
z
aa
base-28
a
b
c
d
e
f
g
h
i
j
k
l
tree
m
n
o
p
q
r
s
t
tree
u
v
w
x
tree
y
z
tree
aa
ab
base-29
a
b
c
d
e
f
g
h
i
j
k
l
m
tree
n
o
p
q
r
s
t
u
tree
v
w
x
y
tree
z
aa
ab
ac
base-30
a
b
c
d
e
f
g
h
i
j
k
l
m
n
tree
o
p
q
r
s
t
u
v
tree
w
x
y
z
aa
ab
ac
ad
base-31
a
b
c
d
e
f
g
h
i
j
k
l
m
n
o
tree
p
q
r
s
t
u
v
w
x
y
z
aa
ab
ac
ad
ae
base-32
a
b
c
d
e
f
g
h
i
j
k
l
m
n
o
p
q
r
s
t
u
v
w
x
y
z
aa
ab
ac
ad
ae
af
-
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Save lancejpollard/2c9f31c560d41dbe3119983b1eeeb728 to your computer and use it in GitHub Desktop.
Author
lancejpollard
commented
Feb 15, 2022
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