Is this my girlfriend or my stepsister? I see double.

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4
33:50
08:10
07:59
25:33
09:24
11:59
13:00
13:43
31:35
09:30
15:44
07:57
04:50
05:01
10:01
31:28
05:59
03:58
36:35
15:00
07:58
12:01
06:00
20:24
05:00
05:00
07:01
15:00
12:53
18:14
14:59
01:58:06
09:00
10:12
20:51
11:48
04:58
23:31
18:39
10:55