event begin max end class region ----- ----- ----- ----- ----- ------ 2170 09:20 09:23 09:26 B4.0 2389 2180 10:20 10:24 10:26 B5.8 2389 2190 11:34 11:37 11:39 B6.1 2389 2200 12:28 12:34 12:36 C1.1 2389