Random rand = new Random();
long numQueries = 0;
while (numQueries < maxQueries) {
CINode node = findStartNode(rand, store);
numQueries++;
while (node != null && node.getPrev() >= 0 && numQueries < maxQueries) {
long prev = node.getPrev();
long t1 = System.currentTimeMillis();
node = store.get(prev, PREV_FIELD);
long t2 = System.currentTimeMillis();
System.out.printf("CQ %d %016x \n", t2 - t1, prev);