if (set.size() != 0x110000) {
errln("FAIL, size should be 0x110000, but is" + set.size());
}
// contains(first, last)
set.clear();
set.applyPattern("[A-Y 1-8 b-d l-y]");
for (int i = 0; i<set.getRangeCount(); ++i) {
int a = set.getRangeStart(i);
int b = set.getRangeEnd(i);
if (!set.contains(a, b)) {