For deme L, the population count was 8349 until a change 2890.183 generations ago, where it decreased to 5046, remaining steady thereafter.
time_units: generations
demes:
  - name: L
    start_time: .inf
    epochs:
      - start_size: 8349
        end_time: 2890.183
      - start_size: 5046
        end_time: 0