_______$$$$$$$
______$_______$$
_$$$$$$_$$$$____$$$$$
$______$____$$___$___$$
$___$$$$______$___$____$
$__$____$______$________$_$$$$$$$
_$_$_____$_$$__$_________$_______$$
__$$___$$_$___$__$$$_____$_________$
___$$____$$$$$____$_$____$_________$
___$_$$$$$$$$$____$____$$___$___$__$
___$____$$$$____$$___$$____$___$___$
___$_________$$$____$_$$$$_$__$___$
____$$____$$$______$_$$___$__$___$
______$$_____$$$$$$__$_$_$_$$___$
________$$$$$___$$$$$___$$__$$$$
________$____$$$__________$___$$$
_________$$$$$____________$$_____$
_________$__$___________$$_$$_$$$
_________$_$___________$_$$__$$
________$__$_________$$_$______$
_______$___$$$$$$$$$$_$$________$
________$$$_$$$$$$$$$$__________$
_____________$__________________$
_____________$_______$$$$______$
______________$_____$____$____$
_______________$___$___$$$___$
___________$$$$$__$___$___$_$
__________$____$$$____$____$
__________$$___$_______$$$$