!7

p {
  RGBImage img = loadImage(#1006358);
  new MultiSet<S> histogram;
  for (int rgb : img.pixels) {
    byte b = to332(rgb);
    S s = bit(b, 2, "")
    histogram.add(s);
  }
  
  pnl(histogram.asMap());
}

sS bit(int i, int b, S a, S v) {
  ret testBit(i, b) ? a : v;
}