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f
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p
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r
2
3
4
5
d
i
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p
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5
6
7
8
9
1
0
1
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1
2
1
3
1
4
1
5
d
i
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c
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n
t
s
p
1
2
3
4
5
6
7
8
9
1
0
1
1
1
2
p
2
2
3
4
5
6
7
8
9
1
0
1
1
1
2
p
3
2
3
4
5
6
7
8
9
1
0
1
1
1
2
p
4
2
3
4
5
6
7
8
9
1
0
1
1
1
2
p
5
2
3
4
5
6
7
8
9
1
0
1
1
1
2
T
h
e
r
a
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k
o
f
t
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g
r
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y
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_
p
1
S
⊔
.
.
.
⊔
p
5
S
→
8
S
u
p
t
o
i
s
o
t
o
p
y
i
s
6
.