Originally, deme T had a population size of 9290, which changed to 5826 around 8342.622 generations ago and has not changed since.
time_units: generations
demes:
  - name: T
    start_time: .inf
    epochs:
      - start_size: 9290
        end_time: 8342.622
      - start_size: 5826
        end_time: 0