21 lines
115 B
Text
21 lines
115 B
Text
4
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3 2
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1 2 1
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2 3 1
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3 2
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1 3 13
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1 2 5
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8 9
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1 2 6
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2 3 5
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3 8 6
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1 4 7
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4 5 4
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5 8 7
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1 6 5
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6 7 5
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7 8 5
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3 3
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1 3 9
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1 2 8
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2 3 3
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