About describe a time when you solved a difficult problem results of 10,000
04:11
105:26
03:01
13:05
03:24
08:56
06:03
04:31
23:47
06:32
22:35
07:13
59:15
07:09
14:32
10:49
21:00
11:17
02:12
08:04
02:34
07:13
17:36
10:01
10:39
08:11
12:13
03:28
00:49
07:51
11:39
09:59
02:47
03:40
03:44
01:56
04:22
04:47
02:15
01:33
07:10
15:51
08:54
09:32
74:40
01:05