mand23 {

init:

  z =  #pixel

loop:

  z = z*z*(z-@a)*(z-@a)*(z-@a) + #pixel

bailout:

  z*conj(z) <= @bailout*@bailout

default:

  title = "Mandelbrot"

  maxiter = 20000

  center = (0, 0)

  param a

    caption = "root offset"

    default = (1,0)

  endparam

  param bailout

    caption = "bail"

    default = 4

  endparam

}