Complex sentence: Having accounted for three of the German squadron at no significant damage to themselves, and with no further German ships in sight, the two cruisers withdrew towards Plymouth, where they arrived on the evening of 29 December with little fuel and ammunition.
Split into simpler sentences: Having accounted for three of the German squadron at no significant damage to themselves, the two cruisers withdrew towards Plymouth. They arrived on the evening of 29 December with little fuel and ammunition.