depth2.rb

def hist(l, i)
	return if (l.size == 1)
	l = l.dup
	
	l.map! { |x| x.to_s(2).length }

	mn = l.min
	mx = l.max

	r = (mx - mn)

	w = 100
	h = [0] * (w + 1)

	l.each { |x| h[((x.to_f - mn) / r * w).to_i] += 1 }
	h.each_with_index { |y, x| puts([x, y, i].join("\t")) }
	
	puts
end

l = [1]

seen = {}

ARGV[0].to_i.times \
{
	|i|
	l2 = []
	l.each \
	{
		|x|
		next if (seen.member?(x))
		seen[x] = nil
		l2 << x * 2
		l2 << (x - 1) / 3 if (x % 3 == 1 && ((x - 1) / 3).odd?)
	}
	l = l2
	hist(l, i)
}