The C deme had a size of 6023 until 9749.6 generations ago. From 9749.6 generations to time 5298.6, its size changed linearly to 6766 individuals. After that, until 3124.41, the population had a linear change to 5044 individuals. It then increased from 5044 to 9124, starting 3124.41 generations ago, until current times, at a exponential rate.
time_units: generations
demes:
  - name: C
    start_time: .inf
    epochs:
      - start_size: 6023
        end_time: 9749.6
      - start_size: 6023
        end_size: 6766
        end_time: 5298.6
        size_function: linear
      - start_size: 6766
        end_time: 3124.41
        end_size: 5044
        size_function: linear
      - end_time: 0
        start_size: 5044
        end_size: 9124
        size_function: exponential