[hack-me] neutron star

from PIL import Image

img = Image.open('prob7_1DDE562BA7F6A03EB39F42F76BF05098.php')
img = img.convert('RGB')

w = img.size[0]
h = img.size[1]

cnt = 0
ans = ""
temp = 0

for i in range(h):
    for j in range(w):
        r, g, b = img.getpixel((j, i))
        if r==250 and g==255 and b==240:
            cnt+=1
            if cnt%2==1:
                ans += chr(j)
                temp = j
            else:
                ans += chr(j - temp)
                temp = 0
print ans