37:15 0
student
37:15 
05:05 0
15:05 0
12:04 0
12:02 0
24:20 0
05:16 0
08:06 0
14:45 0
14:01 0
08:23 0
00:57
0
17:00
0
10:00
0
10:22 0
22:17 0
06:32 0
31:33 0
12:21 0
08:12 0
