from turtle import *
k = 'FRFRF'
'''k = 'F'''
it = 5
reset()


for i in range(it):
    k = k.replace('F', 'FLFRFLF')
    print(k)
up()
goto(-400, 150)
down()
for m in k:
    if m == 'F':
        forward(210//(3**(it-1)))
    elif m == 'L':
        left(60)
    elif m == 'R':
        right(120)
root.mainloop()