About study before test results of 10,000
04:51
08:27
04:55
04:21
03:38
04:11
04:33
14:59
03:06
04:15
08:17
10:00
10:14
28:48
09:32
01:06
08:20
14:12
05:17
05:05
05:52
08:27
21:21
15:49
08:55
03:30
10:26
06:57
07:55
05:15
13:04
10:06
00:54
00:56
10:23
05:18
07:10
02:35
03:22
04:03
09:14
01:13
36:34
39:04
01:07
01:25