private void PrCentersFD(int debugLevel) {
protected void PrCentersFD(int debugLevel) {
  private void PrCentersFD(int debugLevel) {    if (debugLevel == m_DebugLevel) {      for (int i = 0; i < m_ClusterCenters.numInstances(); i++) {	System.out.println(m_ClusterCenters.instance(i));      }    }  }