15:00 33
swap
15:00 
00:15 0
00:30
0
11:00
1
05:00
8
00:22
1
00:21
3
08:00
0
00:21
1
12:00
2
07:00
27
08:00
13
08:00
7
22:00
10
02:00
6
08:00
8
08:00
5
14:00
16
22:00
7
07:00 11
07:00
16