time_units: generations
demes:
- name: deme1
  start_time: .inf
  epochs:
  - {end_size: 10000.0, end_time: 24000.0, start_size: 10000.0}
  - {end_size: 5001.472022241883, end_time: 16000.0, start_size: 5001.472022241883}
  - {end_size: 20000.0, end_time: 0, start_size: 5001.472022241883}
migrations: []