21.   The next sweeps period is even worse.

22.   The Victorian period was one of tremendous economic and social change.

23.   Therefore their period should be the axial rotation period of the Jovian interior.

24.   This period of upheaval was to have an epoch-making impact upon the whole structure of Muscovite society.

25.   This period was sufficiently long for the widespread planation of oceanic islands, many of them volcanic.

26.   Which brings us back to why this period is one of some urgency.

27.   With other semi-regular stars, the periods are so ill-defined as to be barely recognizable, and sometimes the fluctuations become random.

28.   Yet, for this child, the rehabilitation period will be the length of time he is subject to a supervision requirement.

29.   Tomorrow there will be sunny periods in the south, interspersed with occasional showers.