Connected components
[[0, 1, 2, 3, 4, 5, 6, 7, 8], [13, 14, 15, 16, 17, 18], [9, 10, 11, 12]]

Degree distribution
{1: 5, 2: 4, 3: 8, 4: 1, 5: 1}

Degrees
[4, 3, 3, 2, 2, 3, 2, 3, 2, 3, 3, 3, 3, 5, 1, 1, 1, 1, 1]

Hubs
[13, 0, 1]

Shortest path
[2, 0]

Distance
1

Diameter
4

