Up until 8908.67 generations ago, the count of C deme was 4468. Following that period, it grew to 8793, where it has persisted until now.
time_units: generations
demes:
  - name: C
    start_time: .inf
    epochs:
      - start_size: 4468
        end_time: 8908.67
      - start_size: 8793
        end_time: 0