from turtle import*
down()
left(90)
trancer(0)
screensize(5000,5000)
k=25
 
for x in range (2):
     forward(10*k)
     right(90)
     forward(18*k)   
     right(90)
up()
forward(5*k)
right(90)
forward(14*k)
left(90)
down()

for x in range(2):
    forward(17*k)
    right(90)
    forward(7*k)
    right(90)
up()
for x in range(-100,100):
    for y in range(-100,100):
        goto(x*k,y*k)
        dot(4)
update()
done()