Deme F had an initial size of 8677 until 2806.3888 generations ago. At that time, its population size changed to 7782, and has remained there till current time.
time_units: generations
demes:
  - name: F
    start_time: .inf
    epochs:
      - start_size: 8677
        end_time: 2806.3888
      - start_size: 7782
        end_time: 0