chunk 1 @ 23:49:55
chunk 2 @ 23:49:56
chunk 3 @ 23:49:56
chunk 4 @ 23:49:57
chunk 5 @ 23:49:57
chunk 6 @ 23:49:58
chunk 7 @ 23:49:58
chunk 8 @ 23:49:59
chunk 9 @ 23:49:59
chunk 10 @ 23:50:00
chunk 11 @ 23:50:00
chunk 12 @ 23:50:01
done