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