BEGIN:VCALENDAR
PRODID:-//event//iCal4j 1.0//EN
CALSCALE:GREGORIAN
BEGIN:VEVENT
DTSTAMP:20260406T134350Z
DTSTART:20230331T144300Z
DTEND:20230331T144300Z
SUMMARY:osdh---wave-3
LOCATION:    
END:VEVENT
END:VCALENDAR