___________$$$$$$$$$$$$$$$$$$$$$$$___________
________$$$$___$$$$$$$$$$$$$$$$$$$$$_________
______$$$$______$$$$$$$$$$$$$$$$$$$$$$_______
____$$$$$________$$$$$$$$$$$$$$$$$$$$$$$_____
___$$$$$__________$$$$$$$$$$$$$$$$$$$$$$$____
__$$$$$_____O______$$$$$$$$$$$$$$$$$$$$$$$___
_$$$$$$____________$$$$$$$$$$$$$$$$$$$$$$$$__
_$$$$$$___________$$$$$$$$$___________$$$$$$_
_$$$$$$$_________$$$_$$$_$$$_________$$$$$$$_
_$$$$$$$$______$$$$___$___$$$$______$$$$$$$$_
_$$$$$$$$$$$$$$$$$___$$$___$$$$$$$$$$$$$$$$$_
_$$$_$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$_$$$_
_$$$__$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$__$$$_
__$$$__$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$__$$$$__
___$$$__$$__$$$$$$$$$$$$$$$$$$__$$_____$$$___
____$$$$____$$____$$$$$$$$$$_____$$___$$$____
_____$$$$$__$____$$___$$___$$_____$$__$$_____
______$$$$$$____$$____$$___$$ _____$$$$______
________$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$_______
_________$$$$$$$$$$$$$$$$$$$$$$$$$$$$________
__________$$$$$$$$$$$$$$$$$$$$$$$$