07:00
0
teacher
18:00
8
22:00
0
06:00
3
13:00
0
22:00
9
11:00
2
12:00
0
06:00
1
06:00
2
25:00
1
08:00
0
12:00
0
11:00
1
32:00
0
08:00
2
12:00
10
10:00
2
06:00
2
06:00
4
01:39
0
00:45
1
08:00
0
05:00
1
04:00
2
23:00
0
05:00
0
05:00
1
01:09
0
00:14
0
18:00
1
