___________________$$$___________________
__________________$$$$$__________________
__________________$$$$$__________________
__________________$$$$$__________________
__$$______________$$$$$____________$$____
___$$$____________$$$$$___________$$$____
____$$$$$_________$$$$$________$$$$$_____
_____$$$$$$$______$$$$$_____$$$$$$$______
_______$$$$$$$____$$$$$___$$$$$$$________
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____________________$____________________
____________________$____________________