Deme O had an initial size of 6792 until 5563.41 generations ago. At that time, its population size grew to 9364, and has remained there till current time.
time_units: generations
demes:
  - name: O
    start_time: .inf
    epochs:
      - start_size: 6792
        end_time: 5563.41
      - start_size: 9364
        end_time: 0