Screen expanded again to occupy entire amphitheater front. Previous layers didn't disappear; reorganized into more complex structure, as if each explained concept had been only piece of larger system now beginning to show complete. Alfarius didn't change tone, but gaze became more fixed, more demanding.
"Pay close attention, because this is very interesting. What we've seen until now describes functional systems. Now we'll close class with something more useful: how to break them when everything previous fails."
Model changed to active simulation. Complete environment, densely infected, with multiple nodes, high-density zones and fully developed underground network.
"At this point," he continued, "no longer talking about initial containment. Talking about eradication under adverse conditions."
Pointed at central nucleus, pulsating mass surrounded by structural layers.
