j	f	j	i
	f
	d
	d
	s
	s
	a
	d
	f
	g
	g
	d
	d
	d
	s
	d
	d
	d
	d
	s
	a
	d
	f
	g
	g
	d
	s
	s
	a
	s
	d
	f
	f