# File structures/CellComplex.rb, line 436
  def show
    @cells.each do |dCells|
      dCells.each_key do |cell|
        puts "Cell: #{cell} #{cell.data}"
        puts "Upper:"
        @upper[cell].each do |upCell|
          puts "#{upCell}"
        end
        puts "Lower:"
        @lower[cell].each do |lowCell|
          puts "#{lowCell}"
        end
      end
    end
  end