text: import numpy
  import matplotlib.pyplot
  from subrela.clustering import get_clusters
  from subrela.plot import get_dendrogram_data
  from subrela.plot.matplotlib import draw_dendrogram
  
  X = numpy.array([[0, -5, -5, 6, 6], [0, -1, 1, -2, 2]])
  
  Z = get_clusters(X)
  leaf_data, _, tree_data, cut_data = get_dendrogram_data(
      Z, groups=[0, 5, 6])
  
  _, ax = matplotlib.pyplot.subplots(figsize=(4, 4))
  draw_dendrogram(ax, leaf_data, tree_data, cut_data,
                  orientation='horizontal')
  matplotlib.pyplot.show()