time_units: generations
demes:
- name: deme5
  start_time: .inf
  epochs:
  - {end_size: 100, end_time: 0, start_size: 100}
- name: deme4
  start_time: 1600.0
  epochs:
  - {end_size: 100, end_time: 0, start_size: 100}
  ancestors: [deme5]
- name: deme3
  start_time: 1200.0
  epochs:
  - {end_size: 100, end_time: 0, start_size: 100}
  ancestors: [deme4]
- name: deme2
  start_time: 800.0
  epochs:
  - {end_size: 100, end_time: 0, start_size: 100}
  ancestors: [deme3]
- name: deme1
  start_time: 400.0
  epochs:
  - {end_size: 100, end_time: 0, start_size: 100}
  ancestors: [deme2]
migrations: []