Not bad, but 244 layers is nothing.
If you want to learn something, check out Bert Monroy's old Revision3 show:
Revision3 > PixelPerfect
His old illustration of Damen Station was 15,000 layers and 1.7GB as a final image at 40" by 120". His new Times Square is 60" by 300" with 500,000 layers and about 6.5GB so far.