$$$$$_$$$$$_$$$$$_$$$$$_$___$_$$$$$_$$$$$_$___$_$$
$$$
$___$___$_____$___$_____$___$_$_____$_____$___$___
_$
$$$$$___$_____$___$$$___$$$$$_$_____$_____$___$___
$
$___$___$_____$___$_____$___$_$_____$_____$___$__$
_
$___$___$_____$___$$$$$_$___$_$$$$$_$$$$$_$$$$$_$$
$$$