BEGIN:VCALENDAR
VERSION:2.0
PRODID:-//开云体育 Inc//开云体育 Calendar//EN
METHOD:CANCEL
CALSCALE:GREGORIAN
BEGIN:VEVENT
STATUS:CANCELLED
UID:calendar.18543@groups.io
DTSTAMP:20191116T215238Z
ORGANIZER;CN=yancophm@groups.io Group:mailto:yancophm@groups.io
DTSTART:20200220
DTEND:20200221
RRULE:FREQ=MONTHLY;INTERVAL=6;BYMONTHDAY=20
SUMMARY:Museum Mobile Phone Recharge
SEQUENCE:0
END:VEVENT
END:VCALENDAR