$$$$_$$$$_$$$__$$$$__$$$$_$$$$_$$$___$$__$$$_$__$
$__$_$__$___$__$__$__$__$_$__$_$_$__$__$_$_$_$_$_$
$__$_$__$__$___$__$__$$$$_$$$$_$$___$__$_$$$_$$$_$
$__$_$__$___$_$$$$$$_$____$__$_$_$__$__$__$$_$_$_$
$__$_$$$$_$$$_$____$_$____$__$_$$$_$___$_$_$_$__$
____________________________$$$$$$$
_$$$$$_____________________$$____$$$
$_____$____________________$$_____$$
$___________________________$$___$$
$_____$______________________$$$$$
_$$$$$______________________$$___$$
___________________________$$_____$$
___________________________$$_____$$
___________________________$$$$$$$$$
____________________________$$$$$$$
$_____$_$$$_$$$$_$$$$$_$$$$___________$$_$$
$$___$$_$_$_$__$___$___$__$___________$$_$$
$_$_$_$_$$$_$$$$___$___$$$$___________$$_$$
$__$__$_$_$_$______$___$__$
$_____$_$_$_$______$___$__$___________$$_$$

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