import numpy as np
from scipy import misc


image = misc.imread("input.png")


N = min(image.shape[:-1])
image = image[:N, :N, :]

old_image = image.copy()
this_image = np.zeros(image.shape)
i = 0

print()


while((this_image != image).any()):
	for x in range(N):
		for y in range(N):
			this_image[x, y] = old_image[(2*x + y) % N, (x + y) % N]
	old_image = this_image.copy()
	i += 1
	print(i / (3*N), "%", " "*15, end="\r", flush=True)
	misc.imsave("output/{}.png".format(i), this_image)


print()