example for flyweight pattern

[Arthur]

hey all,

imagine the following:

a screen full of circles. each circle has coordinates and a style. the
coordinates are always different, a style can be the same among 0 to
many circles.

what would be the correct implementateion of the flyweight pattern?

a) one (circle-)object for every different style, and the coordinates
for all circles stored in the context.
b) one circle-object for every different set of coordinates and the
styles stored in the context.

and in general: how would you solve this issue most memory efficient,
if not by one of the two answers above (imagine billions of circles
and tenthousands of styles)?

thanks