Students turn their hands

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5 mins 33 secs

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57 secs

2 mins 23 secs

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20 secs

2 mins 20 secs

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43 secs

3 mins 32 secs

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20 secs

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3 mins

41 secs

1 min 53 secs

4 mins 30 secs

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42 secs

22 secs

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1 min 50 secs

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57 secs

1 min 7 secs

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1 min 53 secs

27 secs

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19 mins 8 secs