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1
2
3
4
5

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P

O

P

1
2
3
4
5
6

pig trough (4)

1
2
3
K
4

pig trough (1)

1
2
3
4
5

pig trough (6)
pig trough (2)
pig trough (5)
pig trough (3)
T T
V 1
M 3
D 1
K 1
K A
P K
P A
T H
K T
pig trough (5)

1
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3
4

pig trough (7)

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    K