code: public TrigonalBipyramidal normalize() {
          int cfg = getConfigOrder();
          if (cfg == 1)
            return this;
          IAtom[] carriers = invapply(getCarriers().toArray(new IAtom[5]),
                                      PERMUTATIONS[cfg-1]);
          return new TrigonalBipyramidal(getFocus(),
                                         carriers,
                                         1);
  
      }
docs: Normalize the configuration to the lowest configuration order (1) -
  the axis goes from the first to last carrier, the three middle carriers
  are anti-clockwise looking from the first carrier.
  @return the normalized configuration