Probably Art # 338: Circle

12 circles drawn in 1 shade(s) chosen from 2 unique size(s).

$$ s = .01195386, \; $$ $$ | \lbrace \theta \rbrace | = 1, $$ $$ | \lbrace r \rbrace | = 2,$$ $$ r_0 = 0.0500,$$ $$ R = 2.00, $$ $$r \sim \beta(0.525, 1.260), $$ $$\theta \sim \beta(1.000, 1.000). $$