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