hack the image puzzle LEVEL2 of http://www.guokr.com/post/557047/

hack.py

# http://five.flash-gear.com/npuz/puz.php?c=z&o=2&id=4349105&k=17041499&s=15&w=420&h=555&f_dm=five

data = open('puz.swf', 'rb').read()
mark = '\xff\xd8\xff\xe0\x00\x10JFIF'
t=data.split(mark)

for i, d in enumerate(t):
    if 'CREATOR' in d: 
        open('%d.jpeg'%i, 'wb').write(mark + d)

from PIL import Image
import os
img = Image.new('RGB', (15*28+15, 15*37+15))
for r in xrange(37):
    for c in xrange(28):
        name = '{}.jpeg'.format(r*28+c+1)
        img.paste(Image.open(name), (c*15, r*15, c*15+30, r*15+30))
        os.remove(name)
img.save('origin.bmp')