$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$
$_______________________$________________________$
$______________________$$$_______________________$
$____$_________________$$$________________$______$
$_____$$______________$$$$$_____________$$_______$
$______$$$____________$$$$$___________$$$________$
$_______$$$$$_________$$$$$________$$$$$_________$
$________$$$$$$$______$$$$$_____$$$$$$$__________$
$__________$$$$$$$____$$$$$___$$$$$$$____________$
$_____________$$$$$____$$$___$$$$$_______________$
$____$$$$$$$______$$$__$$$__$$$______$$$$$$$_____$
$________$$$$$$$$____$$_$_$$____$$$$$$$$_________$
$____________$$$$$$$$$_$$$_$$$$$$$$$_____________$
$___________________$$$_$_$$$____________________$
$_______________$$$$$___$___$$$$$________________$
$_______________________$________________________$
$_______________________$________________________$
$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$