# Inspired by our cat Pietje

from turtle import *
m = 12
tracer(0)
left(90)
for i in range(4):
	forward(8*m)
	right(90)
	forward(8*m)
	right(90)
pu()
for x in range(13):
	for y in range(13):
		goto(x*m, y*m)
		dot(3)
update()