import turtle
t = turtle.Turtle()
s = turtle.Screen()
s.bgcolor('black')
t.pencolor('blue')
t.speed(0)
c = 0
d = 0
while True:
      for i in range(4):
            t.forward(80)
            t.right(90)
      t.right(15)
      c += 1
      if c >= 390/15:
            t.forward(50)
            c = 0
            d += 1
            if d >= 32:
                  break
t.hideturtle()
turtle.done()
