A new copy of this world was about to form.
Snap! The code-pairs split. Suddenly, each segment gave up on clinging to its counterpart. They flew apart, in opposite directions. The poles, Sarah suddenly recalled, that's where they'll try to go. Still, she could do nothing. The threads kept tugging at the segments
Then, she noticed that the walls were changing, shifting ever so subtly and yet so quickly. Were they stretching? Collapsing? Both. Like a belt had been tied too tight around the waist, the walls pushed outwards as the centre cinched itself. It was then that the threads finally broke, no longer having control on the events that would transpire.
She looked towards the parts of the walls that had stretched away; there they were! The pieces of code, safely trapped, unable to leak out. Without them, nothing would survive; there was still hope.
Wait, what was this? At each end, the two groups of code gathered together into two clusters. Around each cluster, something started to form over top - a membrane? Sarah watched as the clear substance engulfed each cluster.
The system split! Now there were two.
It was over.
Sarah breathed a sigh of relief; she managed to survive another day without things going wrong. She could go home now.
Happy that her little cells had divided, Sarah switched off the microscope and removed her sample. All that was left to do now was to put the petri dish in the incubator and wait.