16 lines
87 B
Plaintext
16 lines
87 B
Plaintext
8
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13
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1 2 1
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2 3 2
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4 6 2
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3 5 3
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7 8 3
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1 3 4
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5 6 4
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2 5 5
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3 4 7
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4 5 10
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6 7 13
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6 8 15
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4 7 20
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