The number of individuals in deme C remained at 7302 until 3058.0 generations ago, at which time it reduced to a new stable size of 4957.
time_units: generations
demes:
  - name: C
    start_time: .inf
    epochs:
      - start_size: 7302
        end_time: 3058.0
      - start_size: 4957
        end_time: 0