08:00
1
student
10:00
5
24:00
0
06:00
0
04:00
2
10:00
2
05:00
1
12:00
1
24:00
11
05:00
0
23:00
0
12:00
0
06:00
2
00:53
2
05:00
2
08:00
5
06:00
1
13:00
0
09:00
1
08:00
0
07:00
4
07:00
1
12:00
2
01:47:00
0
05:00
1
07:00
2
02:00
1
11:00
2
07:00
0
01:06
2
08:00
0
