procedure 0
  forward 2
  right 90
  forward 8
  right 90
  forward 2
  right 90
  forward 2
  dot 2
  forward 4
  dot 2
  forward 2
  fill random
#display: x=0, y=0, grid=32

procedure 1
  repeat 8 times
    paint 0
    forward 10
    right 90
  left 90
  right 90
  paint 0
#display: x=175, y=7, grid=5

