Probably Art # 204: Walk

250 steps in 4 direction(s) chosen from 85 possible step size(s).

$$ s = .02062739, \; $$ $$ | \lbrace \theta \rbrace | = 4, $$ $$ | \lbrace r \rbrace | = 85,$$ $$ r_0 = 0.0000,$$ $$ R = 0.69, $$ $$r \sim \beta(1.000, 1.000), $$ $$\theta \sim \beta(1.000, 1.000). $$