fingering管 （115124）

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2 mins 23 secs

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3 mins 41 secs

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40 secs

18 mins 17 secs

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11 mins 51 secs

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10 mins 35 secs

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14 mins 17 secs

5 mins 10 secs

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5 mins

13 mins 59 secs

2 mins 41 secs

15 mins 11 secs