Drain the pears, dab dry with kitchen paper, then arrange on top in a concentric circle.

The second flag concentric circle of 11 stars around crossed keris on a blue field.

Theories of city form were available, sector and concentric circle concepts, in particular.

Each concentric circle represents a different frequency, emanating from zero at the center to increasing frequencies at the outer circles.

The captures must be done either sideways on a concentric circle, or forwards or backwards on a radiating line.