Complex sentence: Two large blocks are placed to the east and west and there are two extra'portal' stones placed to the south-west in the alignment between Long Meg and the centre of the circle, on the point of the midwinter sunset.
Split into simpler sentences: Two large blocks are placed to the east and west and there are two extra'portal' stones placed to the south-west. The placement of Long Meg is in the alignment between the centre of the circle and the point of the midwinter sunset.