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