Initially, the population size of deme C stood at 3722, but this changed 8694.0 generations ago when it changed to 7515, and it has been stable at that size up to today.
time_units: generations
demes:
  - name: C
    start_time: .inf
    epochs:
      - start_size: 3722
        end_time: 8694.0
      - start_size: 7515
        end_time: 0