WHAT

wut.rb

W, H = 44, 54
c = 7 + 42 * W
a = [0] * W * H
g = d = 0
f = proc do |n|
  a[c] += 1
  o = a.map {|z| " :#"[z, 1] * 2 }.join.scan(/.{#{W * 2}}/)
  puts "\f" + o.map {|l| l.rstrip }.join("\n")
  sleep 0.005
  d += 1 - 2 * ((g ^= 1 << n) >> n)
  c += [1, W, -1, -W][d %= 4]
end
1024.times do
  !!(!!(!!(!!(!!(!!(!!(!!(!!(true...
    f[0])...f[1])...f[2])...
    f[3])...f[4])...f[5])...
    f[6])...f[7])...f[8])
end