from turtle import*
m = 15
lt(90)
for i in range(2):
    fd(10*m)
    rt(90)
    fd(18*m)
    lt(90)
up()
fd(5*m)
rt(90)
fd(7*m)
lt(90)
down()
for i in range(2):
    fd(10*m)
    rt(90)
    fd(7*m)
    rt(90)
up()
for x in range(-50,20):
    for y in range(25):
        goto(x*m,y*m)
        dot(4,'red')
update()