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19 lines
108 B
Plaintext
19 lines
108 B
Plaintext
a b 1
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a \N 1
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c d 1
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c \N 1
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\N \N 2
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a 1
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c 1
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\N 2
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a b 1
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a \N 1
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c d 1
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c \N 1
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\N b 1
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\N d 1
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\N \N 2
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a 1
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c 1
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\N 2
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