private static final DateValue DT_START = new DateValueImpl(2006, 4, 3);
private static final DateValue T0 = new DateValueImpl(2006, 8, 3);
void runOne() throws Exception {
for (String rdata : RECURRENCE_RULES) {
RRule rrule = new RRule(rdata);
RecurrenceIterator iter =
RecurrenceIteratorFactory.createRecurrenceIterator(
rrule, DT_START, TimeUtils.utcTimezone());
iter.advanceTo(T0);
for (int k = 20; iter.hasNext() && --k >= 0;) {