7:03:58.24 to 7:04:08.31.
done for 8970 ms, from 7:04:09.37 to 7:04:18.34.
done for 423380 ms, from 7:11:16.69 to 7:18:20.07.
done for 13010 ms, from 7:18:31.81 to 7:18:44.82.
done for 75070 ms, from 7:18:45.27 to 7:20:00.34.
done for 2180 ms, from 7:20:11.49 to 7:20:13.67.
done for 90150 ms, from 7:20:13.71 to 7:21:43.86. 