from turtle import *
tracer(0)
screensize(2000, 2000)
k = 20
for i in range(3):
    fd(19*k)
    rt(90)
    fd(3*k)
    rt(90)
for i in range(3):
    fd(5*k)
    rt(90)
    fd(11*k)
    rt(90)
for x in range(-200, 200):
    for y in range(-200,200):
        goto(x*k, y*k)
        dot(5, 'red')
done()