import numpy as np


tinycycle = np.array([[0, 1, 0],
                      [1, 0, 1],
                      [0, 1, 0]], dtype=bool)


skeleton1 = np.array([[0, 1, 1, 1, 1, 1, 0],
                      [1, 0, 0, 0, 0, 0, 1],
                      [0, 1, 1, 0, 1, 1, 0],
                      [1, 0, 0, 1, 0, 0, 0],
                      [1, 0, 0, 0, 1, 1, 1]], dtype=bool)
Add some tiny synthetic data for testing
Add some tiny synthetic data for testing
