chunk	files	GiB
00	3449	17.40
01	3450	17.40
02	3450	17.40
03	3451	17.40
04	3451	17.40
05	3451	17.40
06	3451	17.40
07	3451	17.40
08	3451	17.40
09	3451	17.40
10	3451	17.40
11	3451	17.40
12	3452	17.40
13	3451	17.40
14	3451	17.40
15	3452	17.40
16	3451	17.40
17	3451	17.40
18	3450	17.40
19	3452	17.40
20	3451	17.40
21	3450	17.40
22	3450	17.40
23	3451	17.40