code: def cluster_chainlink():
      start_centers = [[1.1, -1.7, 1.1], [-1.4, 2.5, -1.2]]
      template_clustering(start_centers, FCPS_SAMPLES.SAMPLE_CHAINLINK)
  
imports: import random
  from pyclustering.samples.definitions import SIMPLE_SAMPLES, FCPS_SAMPLES, FAMOUS_SAMPLES
  from pyclustering.cluster import cluster_visualizer_multidim
  from pyclustering.cluster.center_initializer import kmeans_plusplus_initializer
  from pyclustering.cluster.fcm import fcm
  from pyclustering.utils import read_sample
  from pyclustering.utils import timedcall
label_desc: Use image node_id 15 for calling a global function with example usage: cluster_chainlink() without return types