a a a a
a b b b
b b c c
c c c
ch ch ch
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ch ch d
d d d d
e e e e
e f f f
f fg g
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g g
h h
i i i
j j j
g h
h h
i i j
j k
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k k k k
l l l l
l ll ll ll
ll ll m
m m m
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m n n
n n n
ñ ñ ñ ñ
ñ o o
o o o
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p p p p
p q q q
qq r r
r r r rr
rr rr rr
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rr s s s
s s t t t
t t u u
u u u v
v v v v
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w w w
w x x
x x y y
y y y z
z z z z
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