code: def testClusteringSampleSimple3ByCore(self):
      SyncnetTestTemplates.templateClustering(
          SIMPLE_SAMPLES.SAMPLE_SIMPLE3,
          1,
          0.999,
          solve_type.FAST,
          initial_type.RANDOM_GAUSSIAN,
          True,
          False,
          0.05,
          None,
          [10, 10, 10, 30],
          True,
      )
  
imports: import unittest
  from numpy import pi
  import matplotlib
  from pyclustering.nnet import initial_type, conn_represent, solve_type
  from pyclustering.cluster.tests.syncnet_templates import SyncnetTestTemplates
  from pyclustering.cluster.syncnet import syncnet
  from pyclustering.samples.definitions import SIMPLE_SAMPLES
  from pyclustering.core.tests import remove_library
label_desc: Use image node_id 3 for calling the SyncnetIntegrationTest obj's underlying member method code with example usage: obj.testClusteringSampleSimple3ByCore() without return types