2	(
d	(
c	(
h	d
d	*
d	(
d	(
c	(
h	d
d	d
(	(
d	(
c	(
h	d
d	*
d	(
d	(
d	(
c	(
h	d
d	d
(	(
d	(
d	(
d	(
d	d
d	d
(	(
d	(
d	(
d	(
d	(
d	]