}
@Override
public String toString() {
BlockSequence first = _sequences.get(0);
BlockConfigurationEntry blockConfig = first.getBlockConfig();
BlockEntry block = blockConfig.getBlock();
List<BlockStopTimeEntry> bsts = first.getStopTimes();
BlockStopTimeEntry firstBst = bsts.get(0);
BlockStopTimeEntry lastBst = bsts.get(bsts.size() - 1);
StopEntry fromStop = firstBst.getStopTime().getStop();
StopEntry toStop = lastBst.getStopTime().getStop();
return "BlockSequenceIndex [ex: block=" + block.getId() + " fromStop="