(* Build a colorful tower using Bricklayer *)
let
  val _ = BL.init(20, 5, 20)
  val _ = BL.brick(2, 4, BL.Color.red,    (8, 0, 8))
  val _ = BL.brick(2, 4, BL.Color.blue,   (8, 1, 8))
  val _ = BL.brick(2, 4, BL.Color.yellow, (8, 2, 8))
  val _ = BL.brick(2, 4, BL.Color.green,  (8, 3, 8))
  val _ = BL.brick(2, 4, BL.Color.white,  (8, 4, 8))
  val _ = BL.show()
in () end