I would do the spiral from the middle, like Ulam's Rose. If you put the valid programs on top of the primes, you'll probably get a picture of a horse or somethi

I would do the spiral from the middle, like Ulam's Rose. If you put the valid programs on top of the primes, you'll probably get a picture of a horse or something. http://en.wikipedia.org/wiki/Ulam_spiral http://en.wikipedia.org/wiki/Ulam_spiral