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	Version	Published	Changed By	Comment	Actions
	CURRENT (v. 6)	Dec 24, 2020 02:43	kaiqi xue
	v. 5	Dec 22, 2020 02:39	kaiqi xue
	v. 4	Dec 17, 2020 08:52	kaiqi xue
	v. 3	Nov 02, 2020 10:24	kaiqi xue
	v. 2	Nov 02, 2020 06:36	kaiqi xue
	v. 1	Oct 27, 2020 06:17	kaiqi xue

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