import Image
from re import *

cmap = {'0': (0,0,255),
        '1': (255,0,0),
        'w': (255,255,255)}


regles = { "0": "00",
		"1": "1101"
		}
ruban = "0001011101001"
ruban = "100"*7
bitmap = ""
for n in range(400):
	bitmap += ruban+(800-len(ruban))*'w'
	ruban += regles[ruban[:1]]
	ruban = ruban[2:]

bitmap = [cmap[letter] for letter in bitmap]
img = Image.new('RGB', (800, len(bitmap)//800), "white")
img.putdata(bitmap)
img.show()