12-28 (Friday)

11:31--	A	1
11:31--	B	1
11:31--	C	1
11:31--	D	1
11:31--	E	1
11:31--	F	1
11:31--00:00	G	2
11:31--00:00	H	2
11:31--00:00	I	4
11:31--00:00	J	5
11:31--00:00	K	5

01-01 (Saturday)

00:00--00:00	Zero length, should not overlap with one starting at same time	a
00:00--01:00	One hour long	a
00:30--00:30	Zero length in the middle	a