30:12 4
collection
30:12 
30:23 2
30:15 9
30:09 2
30:11 8
30:17 2
30:11 0
15:16 4
12:28
1
22:23
2
27:07
3
25:03
5
30:14 1
30:18 4
30:28 2
30:09 4
30:11 2
10:17 24
30:14 3
30:11 9