time_units: generations
demes:
- name: deme1
  start_time: .inf
  epochs:
  - {end_size: 1200.0, end_time: 0, start_size: 1200.0}
- name: deme2
  start_time: .inf
  epochs:
  - {end_size: 1200.0, end_time: 0, start_size: 1200.0}
- name: deme3
  start_time: .inf
  epochs:
  - {end_size: 1200.0, end_time: 0, start_size: 1200.0}
- name: deme4
  start_time: .inf
  epochs:
  - {end_size: 1200.0, end_time: 0, start_size: 1200.0}
- name: deme5
  start_time: .inf
  epochs:
  - {end_size: 1200.0, end_time: 0, start_size: 1200.0}
- name: deme6
  start_time: .inf
  epochs:
  - {end_size: 1200.0, end_time: 0, start_size: 1200.0}
- name: deme7
  start_time: .inf
  epochs:
  - {end_size: 1200.0, end_time: 0, start_size: 1200.0}
- name: deme8
  start_time: .inf
  epochs:
  - {end_size: 1200.0, end_time: 0, start_size: 1200.0}
- name: deme9
  start_time: .inf
  epochs:
  - {end_size: 1200.0, end_time: 0, start_size: 1200.0}
- name: deme10
  start_time: .inf
  epochs:
  - {end_size: 1200.0, end_time: 0, start_size: 1200.0}
- name: deme11
  start_time: .inf
  epochs:
  - {end_size: 100, end_time: 4000.0, start_size: 100}
pulses:
- {sources: [deme11], dest: deme3, proportions: [0.5], time: 4000.0}
migrations: []