$$$_____$$$$$$$_$$$$$$$_$$$_______$$$_$$$$$$$$$$
$$$____$$$____$$$____$$$_$$$_____$$$__$$$_______
$$$____$$$_____$_____$$$_$$$_____$$$__$$$_______
$$$_____$$$_________$$$___$$$___$$$___$$$$$$$$__
$$$______$$$_______$$$_____$$$_$$$____$$$_______
$$$_______$$$_____$$$______$$$_$$$____$$$_______
$$$$$$$$$___$$$$$$$_________$$$$$_____$$$$$$$$$$