18:19:58.67 to 18:20:08.88.
done for 4710 ms, from 18:20:10.46 to 18:20:15.17.
done for 306000 ms, from 18:24:55.41 to 18:30:01.41.
done for 11590 ms, from 18:30:10.67 to 18:30:22.26.
done for 27650 ms, from 18:30:22.86 to 18:30:50.51.
done for 2340 ms, from 18:31:00.99 to 18:31:03.33.
done for 55770 ms, from 18:31:03.35 to 18:31:59.12. 