just a note
Q a 1 a 2 b 3 a 6 E c 4
S
d
2
a
3
b
2
|
S
a
2
b
3
c
4
d
3
Q
d
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|
E
d
5
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1
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c
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|
Q
e
2
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3
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4
c
5
|
Q
a
1
a
2
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3
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4
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6
E
a
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6
|
E
d
6
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2
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|
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b
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|
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|
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|
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|
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|
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|
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|
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2
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4
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5
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E
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|
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E
c
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3
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3
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4
|
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|
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|
E
a
1
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2
c
3
a
6
c
4
Q
d
6
||