from turtle import*
def ptak():
   lt(30)
   fd(20);bk(20)
   rt(60)
   fd(20);bk(20)
   lt(30)

ptak()
def skok (a,b=2):
    pu()
    fd(a); rt(90)
    fd(b); lt (90)
    pd()
skok(2)

def klucz():
    lt(90)
    for i in range(9-1):
        ptak();skok(-30,30)
    for i in range(8-1):
         ptak();skok(30)

klucz()