event begin max end class region ----- ----- ----- ----- ----- ------ 7920 01:28 01:32 01:36 B5.0 1793 7940 05:15 05:19 05:21 B4.4 7950 06:02 06:08 06:13 C1.6 1800 8040 22:37 22:44 22:56 C2.1 1800