BEGIN:VCALENDAR
PRODID:-//K Desktop Environment//NONSGML KOrganizer 3.4//EN
VERSION:2.0
X-LibKCal-Testsuite-OutTZ:Europe/Vienna
BEGIN:VEVENT
DTSTAMP:20050520T105856Z
ORGANIZER;CN=Reinhold Kainhofer:MAILTO:reinhold@kainhofer.com
CREATED:20050520T105442Z
UID:KOrganizer-1832470339.751
SEQUENCE:1
LAST-MODIFIED:20050520T105511Z
SUMMARY:20. Mai 2005\, 23-24 Uhr\, alle 3 Jahre am vorletzten Freitag im
  Mai\, 17 mal
CLASS:PUBLIC
PRIORITY:5
RRULE:FREQ=YEARLY;COUNT=17;INTERVAL=3;BYDAY=-2FR;BYMONTH=5
DTSTART:20050520T210000Z
DTEND:20050520T215900Z
TRANSP:OPAQUE
END:VEVENT
END:VCALENDAR