import turtle
t = turtle.Turtle()
t.up()
t.setx(-200)
t.down()
def Amove(step):
  t.right(120)
  t.forward(step)
def Bmove(step):
  t.left(60)
  t.forward(step)
def move(seq,step):
  t.forward(step)
  for i in range(1,len(seq)):
    if seq[i] == seq[i-1]:
      Amove(step)
    else:
      Bmove(step)
def reverse(s):
    r = ''
    for c in s:
        r += '1' if c == '0' else '0'
    return r
def thue(n):
    s = '0'
    for i in range(n):
        s += reverse(s)
    return s
t.speed(10) # 1:slowest, 3:slow, 5:normal, 10:fast, 0:fastest
move(thue(8),5)