Node    Instances
(0, 0)  21
(0, 1)  1
(0, 2)  23
(1, 0)  22
(1, 1)  7
(1, 2)  6
(2, 0)  32
(2, 1)  16
(2, 2)  22

Data instances in cell (1, 2):
[4.9, 2.4, 3.3, 1.0, 'Iris-versicolor']
[5.0, 2.0, 3.5, 1.0, 'Iris-versicolor']
[5.6, 2.9, 3.6, 1.3, 'Iris-versicolor']
[5.7, 2.6, 3.5, 1.0, 'Iris-versicolor']
[5.5, 2.4, 3.7, 1.0, 'Iris-versicolor']
[5.0, 2.3, 3.3, 1.0, 'Iris-versicolor']
