12:00
0
group
12:00 
07:44
0
13:00
2
07:59
1
05:01
0
05:01
0
05:59
0
08:00
0
09:15
0
07:40
3
07:40
0
07:56
0
07:56
1
05:07
0
12:00
0
05:15
1
07:59
1
14:56
0
14:56
0
14:56
1
05:00
0
05:04
0
05:05
0
05:03
0
05:03
0
05:06
0
05:01
1
07:56
0